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Pak Chung Ho

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Physiology

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TOP 3
Joyce Chai; Ching Yin Grace Wong; Pak Chung Ho
A randomized clinical trial comparing the short-term side effects of sublingual and buccal routes of misoprostol administration for medical abortions up to 63 days' gestation.
Hang Wun Raymond Li; Pak Chung Ho; Estella Yee Lan Lau; Vivian Chi Yan Lee; William Shu Biu Yeung; Ernest Hung Yu Ng
Role of baseline antral follicle count and anti-mullerian hormone in prediction of cumulative live birth in the first in vitro fertilisation cycle: a retrospective cohort analysis.
Tracy Wing Yee Yeung; Pak Chung Ho; Vivian Chi Yan Lee; Raymond Hang Wun Li; Ernest Hung Yu Ng
A randomized double-blinded placebo-controlled trial on the effect of dehydroepiandrosterone for 16 weeks on ovarian response markers in women with primary ovarian insufficiency.

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2013: Joyce Chai; Ching Yin Grace Wong; Pak Chung Ho
A randomized clinical trial comparing the short-term side effects of sublingual and buccal routes of misoprostol administration for medical abortions up to 63 days' gestation.
Contraception 2013;87(4):480-5.
2013: Hang Wun Raymond Li; Pak Chung Ho; Estella Yee Lan Lau; Vivian Chi Yan Lee; William Shu Biu Yeung; Ernest Hung Yu Ng
Role of baseline antral follicle count and anti-mullerian hormone in prediction of cumulative live birth in the first in vitro fertilisation cycle: a retrospective cohort analysis.
PloS one 2013;8(4):e61095.
2013: Tracy Wing Yee Yeung; Pak Chung Ho; Vivian Chi Yan Lee; Raymond Hang Wun Li; Ernest Hung Yu Ng
A randomized double-blinded placebo-controlled trial on the effect of dehydroepiandrosterone for 16 weeks on ovarian response markers in women with primary ovarian insufficiency.
The Journal of clinical endocrinology and metabolism 2013;98(1):380-8.
2012: Hang Wun Raymond Li; Ernest Hung Yu Ng; Benancy Po Chau Wong; Richard A Anderson; Pak Chung Ho; William Shu Biu Yeung
Correlation between three assay systems for anti-Müllerian hormone (AMH) determination.
Journal of assisted reproduction and genetics 2012;29(12):1443-6.
2012: Ernest Hung Yu Ng; Pak Chung Ho
Subfertility (Preface).
Best practice & research. Clinical obstetrics & gynaecology 2012;26(6):727.
2012: Tracy Wing Yee Yeung; Vivian Chi Yan Lee; Ernest Hung Yu Ng; Pak Chung Ho
A pilot study on the use of a 7-day course of letrozole followed by misoprostol for the termination of early pregnancy up to 63 days.
Contraception 2012;86(6):763-9.
2012: V C Y Lee; E H Y Ng; O S Tang; T W Y Yeung; W S B Yeung; Pak Chung Ho
Effect of letrozole on uterine artery Doppler flow indices prior to first-trimester termination of pregnancy: a randomized controlled trial.
Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology 2012;40(4):392-7.
2012: Ko Ling Chan; Daniel Y T Fong; Wing Cheong Leung; Agnes Tiwari; Douglas A Brownridge; Pak Chung Ho
Violence against pregnant women can increase the risk of child abuse: a longitudinal study.
Child abuse & neglect 2012;36(4):275-84.
2011: Raymond H W Li; Ernest H Y Ng; Raymond W S Wong; Ailsa Gebbie; Anna F Glasier; Pak Chung Ho
The use of sex hormones in women with rheumatological diseases.
Hong Kong medical journal = Xianggang yi xue za zhi / Hong Kong Academy of Medicine 2011;17(6):487-91.
2011: Vivian Chi Yan Lee; Raymond Hang Wun Li; Ernest Hung Yu Ng; Horst Schweer; Bernhard Watzer; Sofie Shuk Fei Yung; Pak Chung Ho
A randomized comparison of pharmacokinetics of a single vaginal dose of dry misoprostol or misoprostol moistened with normal saline or with acetic acid.
Human reproduction (Oxford, England) 2011;26(11):2981-7.
2011: Vivian Chi Yan Lee; Ernest Hung Yu Ng; William Shu Biu Yeung; Carina Chi Wai Chan; Pak Chung Ho
Sequential use of letrozole and gonadotrophin in women with poor ovarian reserve: a randomized controlled trial.
Reproductive biomedicine online 2011;23(3):380-8.
2011: Hang Wun Raymond Li; Richard A Anderson; Pak Chung Ho; William Shu Biu Yeung; Ernest Hung Yu Ng
Evaluation of serum antimullerian hormone and inhibin B concentrations in the differential diagnosis of secondary oligoamenorrhea.
Fertility and sterility 2011;96(3):774-9.
2011: Hang Wun Raymond Li; Ching Yin Grace Wong; William Shu Biu Yeung; Pak Chung Ho; Ernest Hung Yu Ng
Serum anti-müllerian hormone level is not altered in women using hormonal contraceptives.
Contraception 2011;83(6):582-5.
2011: Vivian Chi Yan Lee; Ernest Hung Yu Ng; William Shu Biu Yeung; Pak Chung Ho
Misoprostol with or without letrozole pretreatment for termination of pregnancy: a randomized controlled trial.
Obstetrics and gynecology 2011;117(2 Pt 1):317-23.
2011: Vivian Chi Yan Lee; Oi Shan Tang; Ernest Hung Yu Ng; William Shu Biu Yeung; Pak Chung Ho
A pilot study on the use of letrozole with either misoprostol or mifepristone for termination of pregnancy up to 63 days.
Contraception 2011;83(1):62-7.
2011: Suranga P Kodithuwakku; Pak-Yiu Ng; Yunao Liu; Ernest Hung Yu Ng; William S B Yeung; Pak Chung Ho; Kai-Fai Lee
Hormonal regulation of endometrial olfactomedin expression and its suppressive effect on spheroid attachment onto endometrial epithelial cells.
Human reproduction (Oxford, England) 2011;26(1):167-75.
2010: Vivian Chi Yan Lee; Ernest Hung Yu Ng; William S B Yeung; Pak Chung Ho
Impact of positive hepatitis B surface antigen on the outcome of IVF treatment.
Reproductive biomedicine online 2010;21(5):712-7.
2010: Hang Wun Raymond Li; William S B Yeung; Estella Yee Lan Lau; Pak Chung Ho; Ernest Hung Yu Ng
Evaluating the performance of serum antimullerian hormone concentration in predicting the live birth rate of controlled ovarian stimulation and intrauterine insemination.
Fertility and sterility 2010;94(6):2177-81.
2010: Hang Wu Raymond Li; Subin B Liao; Philip Chi Ngong Chiu; Winky W Tam; James C Ho; Ernest H Y Ng; Pak Chung Ho; Philip Chiu; Fai Tang; Wai-Sum O
Expression of adrenomedullin in human oviduct, its regulation by the hormonal cycle and contact with spermatozoa, and its effect on ciliary beat frequency of the oviductal epithelium.
The Journal of clinical endocrinology and metabolism 2010;95(9):E18-25.
2010: Vivian C Y Lee; Ernest Hung Yu Ng; Pak Chung Ho
Issues in second trimester induced abortion (medical/surgical methods).
Best practice & research. Clinical obstetrics & gynaecology 2010;24(4):517-27.
2010: Philip C N Chiu; S Liao; Kevin Lam; Fai Tang; James C M Ho; Pak Chung Ho; Wai-Sum O; Yuan-Qing Yao; Philip Chiu
Adrenomedullin regulates sperm motility and oviductal ciliary beat via cyclic adenosine 5'-monophosphate/protein kinase A and nitric oxide.
Endocrinology 2010;151(7):3336-47.
2010: C H Chan; Agnes Tiwari; Daniel Y T Fong; Pak Chung Ho
Post-traumatic stress disorder among Chinese women survivors of intimate partner violence: a review of the literature.
International journal of nursing studies 2010;47(7):918-25.
2010: Emily Wing Sze So; Ernest Hung Yu Ng; YY Wong; William S B Yeung; Pak Chung Ho
Acupuncture for frozen-thawed embryo transfer cycles: a double-blind randomized controlled trial.
Reproductive biomedicine online 2010;20(6):814-21.
2010: Hang Wun Raymond Li; Pui Wah Hui; M H Y Tang; Elizabeth T Lau; William Shu Biu Yeung; Pak Chung Ho; Ernest Hung Yu Ng
Maternal serum anti-Mullerian hormone level is not superior to chronological age in predicting Down syndrome pregnancies.
Prenatal diagnosis 2010;30(4):320-4.
2010: Kai-Fai Lee; Yin-Lau Lee; Rachel W S Chan; Ana W Y Cheong; Ernest H Y Ng; Pak Chung Ho; William S B Yeung
Up-regulation of endocrine gland-derived vascular endothelial growth factor but not vascular endothelial growth factor in human ectopic endometriotic tissue.
Fertility and sterility 2010;93(4):1052-60.
2010: Yunao Liu; Suranga P Kodithuwakku; Pak-Yiu Ng; Joyce Chai; Ernest Hung Yu Ng; William S B Yeung; Pak Chung Ho; Kai-Fai Lee
Excessive ovarian stimulation up-regulates the Wnt-signaling molecule DKK1 in human endometrium and may affect implantation: an in vitro co-culture study.
Human reproduction (Oxford, England) 2010;25(2):479-90.
2009: William S B Yeung; Raymond H W Li; Thomas M T Cheung; Ernest Hung Yu Ng; Estella Yee Lan Lau; Pak Chung Ho
Frozen-thawed embryo transfer cycles.
Hong Kong medical journal = Xianggang yi xue za zhi / Hong Kong Academy of Medicine 2009;15(6):420-6.
2009: Kevin Lam; Philip Chiu; Man-Kin Chung; Cheuk Lun Lee; Kai-Fai Lee; Riitta Koistinen; Hannu Koistinen; Markku Seppala; Pak Chung Ho; William S B Yeung
Glycodelin-A as a modulator of trophoblast invasion.
Human reproduction (Oxford, England) 2009;24(9):2093-103.
2009: Shun-Jia Hong; Philip Chiu; Kai-Fai Lee; Jenny Yin-Mei Tse; Pak Chung Ho; William S B Yeung
Cumulus cells and their extracellular matrix affect the quality of the spermatozoa penetrating the cumulus mass.
Fertility and sterility 2009;92(3):971-8.
2009: Judy F C Chow; William S B Yeung; Estella Yee Lan Lau; Stephen T S Lam; Tony Tong; Ernest Hung Yu Ng; Pak Chung Ho
Singleton birth after preimplantation genetic diagnosis for Huntington disease using whole genome amplification.
Fertility and sterility 2009;92(2):828.e7-10.
2009: Oi Shan Tang; Horst Schweer; Sharon W H Lee; Pak Chung Ho
Pharmacokinetics of repeated doses of misoprostol.
Human reproduction (Oxford, England) 2009;24(8):1862-9.
2009: Yin-Lau Lee; Yuk-Ling Chan; Wan-Ngai Chow; Ernest Hung Yu Ng; Kai-Fai Lee; William S B Yeung; Pak Chung Ho
Endocrine gland-derived vascular endothelial growth factor stimulates proliferation and tube formation in human uterine microvascular endothelial cell through the mitogen-activated protein kinase but not through the Akt pathway.
Fertility and sterility 2009;91(5 Suppl):2163-71.
2009: Guneet Makkar; Ernest Hung Yu Ng; William S B Yeung; Pak Chung Ho
Excessive ovarian response is associated with increased expression of interleukin-2 in the periimplantation endometrium.
Fertility and sterility 2009;91(4):1145-51.
2009: Hai-Tao Zeng; William S B Yeung; May P L Cheung; Pak Chung Ho; Calvin K F Lee; Guang-lun Zhuang; Xiao-Yan Liang; Wai-Sum O
In vitro-matured rat oocytes have low mitochondrial deoxyribonucleic acid and adenosine triphosphate contents and have abnormal mitochondrial redistribution.
Fertility and sterility 2009;91(3):900-7.
2009: Pak Chung Ho
New frontiers of assisted reproductive technology (Chien Tien Hsu Memorial Lecture 2007).
The journal of obstetrics and gynaecology research 2009;35(1):1-8.
2009: Paulina P Y Ng; M H Y Tang; Elizabeth T Lau; Lucy K L Ng; Ernest Hung Yu Ng; Po-Chor Tam; William S B Yeung; Pak Chung Ho
Chromosomal anomalies and Y-microdeletions among Chinese subfertile men in Hong Kong.
Hong Kong medical journal = Xianggang yi xue za zhi / Hong Kong Academy of Medicine 2009;15(1):31-8.
2009: Ernest Hung Yu Ng; Carina Chi Wai Chan; Oi Shan Tang; William Shu Biu Yeung; Pak Chung Ho
Changes in endometrial and subendometrial blood flow in IVF.
Reproductive biomedicine online 2009;18(2):269-75.
2009: Ernest Hung Yu Ng; William Shu Biu Yeung; Pak Chung Ho
Endometrial and subendometrial vascularity are significantly lower in patients with endometrial volume 2.5 ml or less.
Reproductive biomedicine online 2009;18(2):262-8.
2009: J Chai; Oi Shan Tang; Q Q Hong; Q F Chen; L N Cheng; E Ng; Pak Chung Ho
A randomized trial to compare two dosing intervals of misoprostol following mifepristone administration in second trimester medical abortion.
Human reproduction (Oxford, England) 2009;24(2):320-4.
2009: Emily Wing Sze So; Ernest Hung Yu Ng; YY Wong; Estella Yee Lan Lau; William S B Yeung; Pak Chung Ho
A randomized double blind comparison of real and placebo acupuncture in IVF treatment.
Human reproduction (Oxford, England) 2009;24(2):341-8.
2009: Ko Ling Chan; Agnes Tiwari; Daniel Y T Fong; Wing Cheong Leung; Douglas A Brownridge; Pak Chung Ho
Correlates of in-law conflict and intimate partner violence against Chinese pregnant women in Hong Kong.
Journal of interpersonal violence 2009;24(1):97-110.
2008: Yunao Liu; Kai-Fai Lee; Ernest Hung Yu Ng; William S B Yeung; Pak Chung Ho
Gene expression profiling of human peri-implantation endometria between natural and stimulated cycles.
Fertility and sterility 2008;90(6):2152-64.
2008: Ernest Hung Yu Ng; Oi Shan Tang; Carina Chi Wai Chan; Pak Chung Ho
Ovarian stromal blood flow following clomiphene citrate challenge test in infertile women.
Journal of clinical ultrasound : JCU 2008;36(7):403-8.
2008: Ernest Hung Yu Ng; Wing Sze So; Jing Gao; YY Wong; Pak Chung Ho
The role of acupuncture in the management of subfertility.
Fertility and sterility 2008;90(1):1-13.
2008: Ernest Hung Yu Ng; Estella Yee Lan Lau; William S B Yeung; Thomas M T Cheung; Oi Shan Tang; Pak Chung Ho
Randomized double-blind comparison of laser zona pellucida thinning and breaching in frozen-thawed embryo transfer at the cleavage stage.
Fertility and sterility 2008;89(5):1147-53.
2008: Yin-Lau Lee; Yunao Liu; Pak-Yiu Ng; Kai-Fai Lee; Chak Leung Au; Ernest Hung Yu Ng; Pak Chung Ho; William S B Yeung
Aberrant expression of angiopoietins-1 and -2 and vascular endothelial growth factor-A in peri-implantation endometrium after gonadotrophin stimulation.
Human reproduction (Oxford, England) 2008;23(4):894-903.
2008: A Tiwari; Ko Ling Chan; D Fong; Wing Cheong Leung; Douglas A Brownridge; H Lam; B Wong; C M Lam; F Chau; A Chan; K B Cheung; Pak Chung Ho
The impact of psychological abuse by an intimate partner on the mental health of pregnant women.
BJOG : an international journal of obstetrics and gynaecology 2008;115(3):377-84.
2008: Ernest Hung Yu Ng; Pak Chung Ho
Polycystic ovary syndrome in asian women.
Seminars in reproductive medicine 2008;26(1):14-21.
2007: O S Tang; Kristina Gemzell Danielsson; Pak Chung Ho
Misoprostol: pharmacokinetic profiles, effects on the uterus and side-effects.
International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics 2007;99 Suppl 2():S160-7.
2007: Pak Chung Ho; P D Blumenthal; Kristina Gemzell Danielsson; R Gómez Ponce de León; S Mittal; O S Tang
Misoprostol for the termination of pregnancy with a live fetus at 13 to 26 weeks.
International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics 2007;99 Suppl 2():S178-81.
2007: Ernest Hung Yu Ng; Carina Chi Wai Chan; Oi Shan Tang; William S B Yeung; Pak Chung Ho
The role of endometrial blood flow measured by three-dimensional power Doppler ultrasound in the prediction of pregnancy during in vitro fertilization treatment.
European journal of obstetrics, gynecology, and reproductive biology 2007;135(1):8-16.
2007: Yuan-Qing Yao; Kai-Fai Lee; Jia-Seng Xu; Pak Chung Ho; Shu-Biu Yeung
[Effect of human oviductal embryotrophic factors on gene expression of mouse preimplantation embryos].
Zhonghua fu chan ke za zhi 2007;42(9):605-7.
2007: Pak Chung Ho
Emergency contraception: does improved access reduce the pregnancy rate?
Gynecological endocrinology : the official journal of the International Society of Gynecological Endocrinology 2007;23(9):497-8.
2007: A Tiwari; Daniel Y T Fong; Ko Ling Chan; Wing Cheong Leung; B Parker; Pak Chung Ho
Identifying intimate partner violence: comparing the Chinese Abuse Assessment Screen with the Chinese Revised Conflict Tactics Scales.
BJOG : an international journal of obstetrics and gynaecology 2007;114(9):1065-71.
2007: Fatim Lakha; Pak Chung Ho; Zephne M van der Spuy; Kai Dada; R Elton; Anna Glasier; Hilary Critchley; Alistair R W Williams; David T Baird
A novel estrogen-free oral contraceptive pill for women: multicentre, double-blind, randomized controlled trial of mifepristone and progestogen-only pill (levonorgestrel).
Human reproduction (Oxford, England) 2007;22(9):2428-36.
2007: Ernest Hung Yu Ng; Carina Chi Wai Chan; Oi Shan Tang; Pak Chung Ho
Comparison of 2-dimensional, 3-dimensional, and vascular ultrasonographic parameters for endometrial receptivity between 2 consecutive stimulated in vitro fertilization cycles.
Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine 2007;26(7):931-9.
2007: Ernest Hung Yu Ng; Carina Chi Wai Chan; Oi Shan Tang; William S B Yeung; Pak Chung Ho
Endometrial and subendometrial vascularity is higher in pregnant patients with livebirth following ART than in those who suffer a miscarriage.
Human reproduction (Oxford, England) 2007;22(4):1134-41.
2007: Ernest Hung Yu Ng; Carina Chi Wai Chan; Oi Shan Tang; Pak Chung Ho
A randomized comparison of side effects and patient convenience between Cyclogest suppositories and Endometrin tablets used for luteal phase support in IVF treatment.
European journal of obstetrics, gynecology, and reproductive biology 2007;131(2):182-8.
2007: Philip Chiu; Man-Kin Chung; Riitta Koistinen; Hannu Koistinen; Markku Seppala; Pak Chung Ho; Ernest Hung Yu Ng; Kai-Fai Lee; William S B Yeung
Cumulus oophorus-associated glycodelin-C displaces sperm-bound glycodelin-A and -F and stimulates spermatozoa-zona pellucida binding.
The Journal of biological chemistry 2007;282(8):5378-88.
2007: Ernest Hung Yu Ng; Pak Chung Ho
Ageing and ART: a waste of time and money?
Best practice & research. Clinical obstetrics & gynaecology 2007;21(1):5-20.
2007: William S B Yeung; Kai-Fai Lee; Riitta Koistinen; Hannu Koistinen; Markku Seppala; Pak Chung Ho; Philip Chiu
Glycodelin: a molecule with multi-functions on spermatozoa.
Society of Reproduction and Fertility supplement 2007;63():143-51.
2007: Philip Chiu; Man-Kin Chung; Riitta Koistinen; Hannu Koistinen; Markku Seppala; Pak Chung Ho; Ernest Hung Yu Ng; Kai-Fai Lee; William S B Yeung
Glycodelin-A interacts with fucosyltransferase on human sperm plasma membrane to inhibit spermatozoa-zona pellucida binding.
Journal of cell science 2007;120(Pt 1):33-44.
2006: Oi Shan Tang; Pak Chung Ho
Clinical applications of mifepristone.
Gynecological endocrinology : the official journal of the International Society of Gynecological Endocrinology 2006;22(12):655-9.
2006: Oi Shan Tang; Pak Chung Ho
The use of misoprostol for early pregnancy failure.
Current opinion in obstetrics & gynecology 2006;18(6):581-6.
2006: Ernest Hung Yu Ng; William S B Yeung; Pak Chung Ho
Patients with three or less dominant follicles may not be associated with reduced pregnancy rate of in vitro fertilization treatment.
European journal of obstetrics, gynecology, and reproductive biology 2006;129(1):54-9.
2006: Nitish Narvekar; Anna Glasier; Kai Dada; Zephne M van der Spuy; Pak Chung Ho; Linan Cheng; David T Baird
Toward developing a once-a-month pill: a double-blind, randomized, controlled trial of the effect of three single doses of mifepristone given at midcycle on the pattern of menstrual bleeding.
Fertility and sterility 2006;86(4):819-24.
2006: Anita Sik Yau Kan; Natalie Caves; Sylvia Yuen Wai Wong; Ernest Hung Yu Ng; Pak Chung Ho
A double-blind, randomized controlled trial on the use of a 50:50 mixture of nitrous oxide/oxygen in pain relief during suction evacuation for the first trimester pregnancy termination.
Human reproduction (Oxford, England) 2006;21(10):2606-11.
2006: Carina C W Chan; Ernest Hung Yu Ng; Oi Shan Tang; Chin Peng Lee; Pak Chung Ho
The prevalence of polycystic ovaries in Chinese women with a history of gestational diabetes mellitus.
Gynecological endocrinology : the official journal of the International Society of Gynecological Endocrinology 2006;22(9):516-20.
2006: Guneet Makkar; Ernest Hung Yu Ng; William S B Yeung; Pak Chung Ho
Reduced expression of interleukin-11 and interleukin-6 in the periimplantation endometrium of excessive ovarian responders during in vitro fertilization treatment.
The Journal of clinical endocrinology and metabolism 2006;91(8):3181-8.
2006: LIN LIN; Kwok Yin Leung; Chin Peng Lee; M H Y Tang; Pak Chung Ho
Placental volume measured by three-dimensional ultrasound in the prediction of fetal alpha(0)-thalassemia: a preliminary report.
Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology 2006;28(2):166-72.
2006: Oi Shan Tang; Pak Chung Ho
The pharmacokinetics and different regimens of misoprostol in early first-trimester medical abortion.
Contraception 2006;74(1):26-30.
2006: Pak Chung Ho
Women's perceptions on medical abortion.
Contraception 2006;74(1):11-5.
2006: Pui Wah Hui; Chin Peng Lee; M H Y Tang; Pak Chung Ho
Nuchal translucency in pregnancies conceived after assisted reproduction technology.
Current opinion in obstetrics & gynecology 2006;18(3):319-24.
2006: Pui Wah Hui; M H Y Tang; Ernest Hung Yu Ng; William S B Yeung; Pak Chung Ho
Nuchal translucency in dichorionic twins conceived after assisted reproduction.
Prenatal diagnosis 2006;26(6):510-3.
2006: C C W Chan; Pak Chung Ho
Infertility, assisted reproduction and rights.
Best practice & research. Clinical obstetrics & gynaecology 2006;20(3):369-80.
2006: Anita Sik Yau Kan; Ernest Hung Yu Ng; William S B Yeung; Pak Chung Ho
Perifollicular vascularity in poor ovarian responders during IVF.
Human reproduction (Oxford, England) 2006;21(6):1539-44.
2006: Ernest Hung Yu Ng; Carina Chi Wai Chan; Oi Shan Tang; William S B Yeung; Pak Chung Ho
The role of endometrial and subendometrial vascularity measured by three-dimensional power Doppler ultrasound in the prediction of pregnancy during frozen-thawed embryo transfer cycles.
Human reproduction (Oxford, England) 2006;21(6):1612-7.
2006: William S B Yeung; Kai-Fai Lee; Riitta Koistinen; Hannu Koistinen; Markku Seppala; Pak Chung Ho; Philip Chiu
Roles of glycodelin in modulating sperm function.
Molecular and cellular endocrinology 2006;250(1-2):149-56.
2006: Ernest Hung Yu Ng; Carina Chi Wai Chan; Oi Shan Tang; William S B Yeung; Pak Chung Ho
Factors affecting endometrial and subendometrial blood flow measured by three-dimensional power Doppler ultrasound during IVF treatment.
Human reproduction (Oxford, England) 2006;21(4):1062-9.
2006: Carina C W Chan; V W S Liu; Estella Yee Lan Lau; William S B Yeung; Ernest Hung Yu Ng; Pak Chung Ho
Mitochondrial DNA deletion in granulosa and cumulus oophorus cells.
Fertility and sterility 2006;85(3):780-2.
2006: Ernest Hung Yu Ng; Carina C W Chan; Oi Shan Tang; William S B Yeung; Pak Chung Ho
Relationship between uterine blood flow and endometrial and subendometrial blood flows during stimulated and natural cycles.
Fertility and sterility 2006;85(3):721-7.
2006: Ernest Hung Yu Ng; Carina C W Chan; Pak Chung Ho
Are there differences in ultrasound parameters between Chinese women with polycystic ovaries only and with polycystic ovary syndrome?
European journal of obstetrics, gynecology, and reproductive biology 2006;125(1):92-8.
2006: Carina Chi Wai Chan; Ernest Hung Yu Ng; Oi Shan Tang; Pak Chung Ho
Endometrial, subendometrial, and ovarian stromal blood flow in patients treated with two different doses of recombinant human chorionic gonadotropin.
Fertility and sterility 2006;85(2):520-2.
2006: Ernest Hung Yu Ng; Carina Chi Wai Chan; Oi Shan Tang; Pak Chung Ho
Comparison of endometrial and subendometrial blood flows among patients with and without hydrosalpinx shown on scanning during in vitro fertilization treatment.
Fertility and sterility 2006;85(2):333-8.
2006: Ernest Hung Yu Ng; Oi Shan Tang; Carina Chi Wai Chan; Pak Chung Ho
Ovarian stromal vascularity is not predictive of ovarian response and pregnancy.
Reproductive biomedicine online 2006;12(1):43-9.
2006: Carina C W Chan; Marcel Wing Leung Koo; Ernest Hung Yu Ng; Oi Shan Tang; William S B Yeung; Pak Chung Ho
Effects of Chinese green tea on weight, and hormonal and biochemical profiles in obese patients with polycystic ovary syndrome--a randomized placebo-controlled trial.
Journal of the Society for Gynecologic Investigation 2006;13(1):63-8.
2006: Elly S W Ngan; King-Yiu Lee; William S B Yeung; Hextan Y S Ngan; Ernest Hung Yu Ng; Pak Chung Ho
Endocrine gland-derived vascular endothelial growth factor is expressed in human peri-implantation endometrium, but not in endometrial carcinoma.
Endocrinology 2006;147(1):88-95.
2006: Oi Shan Tang; Charas Y T Ong; Ka Yu Tse; Ernest Hung Yu Ng; Sharon W H Lee; Pak Chung Ho
A randomized trial to compare the use of sublingual misoprostol with or without an additional 1 week course for the management of first trimester silent miscarriage.
Human reproduction (Oxford, England) 2006;21(1):189-92.
2006: Ernest Hung Yu Ng; Carina Chi Wai Chan; Oi Shan Tang; William S B Yeung; Pak Chung Ho
The role of endometrial and subendometrial blood flows measured by three-dimensional power Doppler ultrasound in the prediction of pregnancy during IVF treatment.
Human reproduction (Oxford, England) 2006;21(1):164-70.
2005: C C W Chan; V W S Liu; Estella Yee Lan Lau; William S B Yeung; Ernest Hung Yu Ng; Pak Chung Ho
Mitochondrial DNA content and 4977 bp deletion in unfertilized oocytes.
Molecular human reproduction 2005;11(12):843-6.
2005: Celia H Y Chan; Cecilia L W Chan; Siv Man Ng; Ernest Hung Yu Ng; Pak Chung Ho
Body-mind-spirit intervention for IVF women.
Journal of assisted reproduction and genetics 2005;22(11-12):419-27.
2005: Oi Shan Tang; Carina C W Chan; Anita Sik Yau Kan; Pak Chung Ho
A prospective randomized comparison of sublingual and oral misoprostol when combined with mifepristone for medical abortion at 12-20 weeks gestation.
Human reproduction (Oxford, England) 2005;20(11):3062-6.
2005: Ernest Hung Yu Ng; Oi Shan Tang; Carina Chi Wai Chan; Pak Chung Ho
Ovarian stromal blood flow in the prediction of ovarian response during in vitro fertilization treatment.
Human reproduction (Oxford, England) 2005;20(11):3147-51.
2005: Ernest Hung Yu Ng; William S B Yeung; Pak Chung Ho
The significance of antral follicle count in controlled ovarian stimulation and intrauterine insemination.
Journal of assisted reproduction and genetics 2005;22(9-10):323-8.
2005: A Tiwari; Wing Cheong Leung; TW Leung; J Humphreys; B Parker; Pak Chung Ho
A randomised controlled trial of empowerment training for Chinese abused pregnant women in Hong Kong.
BJOG : an international journal of obstetrics and gynaecology 2005;112(9):1249-56.
2005: Carina C W Chan; Ernest Hung Yu Ng; Oi Shan Tang; Karen K L Chan; Pak Chung Ho
Comparison of three-dimensional hysterosalpingo-contrast-sonography and diagnostic laparoscopy with chromopertubation in the assessment of tubal patency for the investigation of subfertility.
Acta obstetricia et gynecologica Scandinavica 2005;84(9):909-13.
2005: TW Leung; Wing Cheong Leung; Ernest Hung Yu Ng; Pak Chung Ho
Quality of life of victims of intimate partner violence.
International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics 2005;90(3):258-62.
2005: Carina C W Chan; Ernest Hung Yu Ng; Oi Shan Tang; Pak Chung Ho
Circadian changes in uterine artery and ovarian stromal blood flow after pituitary down-regulation.
Journal of the Society for Gynecologic Investigation 2005;12(6):452-5.
2005: Carina C W Chan; Ernest Hung Yu Ng; Oi Shan Tang; William S B Yeung; Estella Yee Lan Lau; Pak Chung Ho
A prospective, randomized, double-blind study to compare two doses of recombinant human chorionic gonadotropin in inducing final oocyte maturity and the hormonal profile during the luteal phase.
The Journal of clinical endocrinology and metabolism 2005;90(7):3933-8.
2005: Ernest Hung Yu Ng; Carina Chi Wai Chan; William S B Yeung; Pak Chung Ho
Comparison of ovarian stromal blood flow between fertile women with normal ovaries and infertile women with polycystic ovary syndrome.
Human reproduction (Oxford, England) 2005;20(7):1881-6.
2005: Ernest Hung Yu Ng; Carina Chi Wai Chan; Oi Shan Tang; Pak Chung Ho
Antral follicle count and FSH concentration after clomiphene citrate challenge test in the prediction of ovarian response during IVF treatment.
Human reproduction (Oxford, England) 2005;20(6):1647-54.
2005: Pui Wah Hui; Yung Hang Lam; M H Y Tang; Ernest Hung Yu Ng; William S B Yeung; Pak Chung Ho
Maternal serum pregnancy-associated plasma protein-A and free beta-human chorionic gonadotrophin in pregnancies conceived with fresh and frozen-thawed embryos from in vitro fertilization and intracytoplasmic sperm injection.
Prenatal diagnosis 2005;25(5):390-3.
2005: Ernest Hung Yu Ng; Fatima Naveed; Estella Yee Lan Lau; William S B Yeung; Carina Chi Wai Chan; Oi Shan Tang; Pak Chung Ho
A randomized double-blind controlled study of the efficacy of laser-assisted hatching on implantation and pregnancy rates of frozen-thawed embryo transfer at the cleavage stage.
Human reproduction (Oxford, England) 2005;20(4):979-85.
2005: Pui Wah Hui; M H Y Tang; Yung Hang Lam; William S B Yeung; Ernest Hung Yu Ng; Pak Chung Ho
Nuchal translucency in pregnancies conceived after assisted reproduction technology.
Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology 2005;25(3):234-8.
2005: C C W Chan; Oi Shan Tang; Ernest Hung Yu Ng; Chiu-fai Ivy Li; Pak Chung Ho
Intracervical sodium nitroprusside versus vaginal misoprostol in first trimester surgical termination of pregnancy: a randomized double-blinded controlled trial.
Human reproduction (Oxford, England) 2005;20(3):829-33.
2005: Ernest Hung Yu Ng; Carina Chi Wai Chan; Oi Shan Tang; William S B Yeung; Pak Chung Ho
Endometrial and subendometrial blood flow measured by three-dimensional power Doppler ultrasound in patients with small intramural uterine fibroids during IVF treatment.
Human reproduction (Oxford, England) 2005;20(2):501-6.
2005: Carina C W Chan; Ernest Hung Yu Ng; Pak Chung Ho
Ovarian changes after abdominal hysterectomy for benign conditions.
Journal of the Society for Gynecologic Investigation 2005;12(1):54-7.
2005: Suk Wai Ngai; Susan Fan; Shiqin Li; Linan Cheng; Juhong Ding; Xiaoping Jing; Ernest Hung Yu Ng; Pak Chung Ho
A randomized trial to compare 24 h versus 12 h double dose regimen of levonorgestrel for emergency contraception.
Human reproduction (Oxford, England) 2005;20(1):307-11.
2004: Ernest Hung Yu Ng; Carina Chi Wai Chan; Oi Shan Tang; William S B Yeung; Pak Chung Ho
Comparison of endometrial and subendometrial blood flow measured by three-dimensional power Doppler ultrasound between stimulated and natural cycles in the same patients.
Human reproduction (Oxford, England) 2004;19(10):2385-90.
2004: Oi Shan Tang; Winnie Nga Ting Lau; Carina Chi Wai Chan; Pak Chung Ho
A prospective randomised comparison of sublingual and vaginal misoprostol in second trimester termination of pregnancy.
BJOG : an international journal of obstetrics and gynaecology 2004;111(9):1001-5.
2004: Ernest Hung Yu Ng; Carina Chi Wai Chan; William S B Yeung; Pak Chung Ho
Effect of age on ovarian stromal flow measured by three-dimensional ultrasound with power Doppler in Chinese women with proven fertility.
Human reproduction (Oxford, England) 2004;19(9):2132-7.
2004: Anita Sik Yau Kan; Ernest Hung Yu Ng; Pak Chung Ho
The role and comparison of two techniques of paracervical block for pain relief during suction evacuation for first-trimester pregnancy termination.
Contraception 2004;70(2):159-63.
2004: H Lam; Oi Shan Tang; C P Lee; Pak Chung Ho
A pilot-randomized comparison of sublingual misoprostol with syntometrine on the blood loss in third stage of labor.
Acta obstetricia et gynecologica Scandinavica 2004;83(7):647-50.
2004: S J Hong; Philip Chiu; Kai-Fai Lee; J M Y Tse; Pak Chung Ho; William S B Yeung
Establishment of a capillary-cumulus model to study the selection of sperm for fertilization by the cumulus oophorus.
Human reproduction (Oxford, England) 2004;19(7):1562-9.
2004: Oi Shan Tang; Kam Hung Mok; Pak Chung Ho
A randomized study comparing the use of sublingual to vaginal misoprostol for pre-operative cervical priming prior to surgical termination of pregnancy in the first trimester.
Human reproduction (Oxford, England) 2004;19(5):1101-4.
2004: Ernest Hung Yu Ng; Susan Margaret Laird; Li Tiantian; William S B Yeung; Pak Chung Ho
Concentrations of endometrial protein PP 14 and CA-125 in uterine flushings performed in natural and stimulated cycles.
Human reproduction (Oxford, England) 2004;19(4):905-10.
2004: Ernest Hung Yu Ng; Carina Chi Wai Chan; Oi Shan Tang; William S B Yeung; Pak Chung Ho
Endometrial and subendometrial blood flow measured during early luteal phase by three-dimensional power Doppler ultrasound in excessive ovarian responders.
Human reproduction (Oxford, England) 2004;19(4):924-31.
2003: Carina C W Chan; Terence T Lao; Pak Chung Ho; Eppie O P Sung; Annie N Y Cheung
The effect of mifepristone on the expression of steroid hormone receptors in human decidua and placenta: a randomized placebo-controlled double-blind study.
The Journal of clinical endocrinology and metabolism 2003;88(12):5846-50.
2003: TW Leung; Ernest Hung Yu Ng; Wing Cheong Leung; Pak Chung Ho
Intimate partner violence among infertile women.
International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics 2003;83(3):323-4.
2003: Ernest Hung Yu Ng; Benyu Miao; Wai Cheung; Pak Chung Ho
A randomised comparison of side effects and patient inconvenience of two vaginal progesterone formulations used for luteal support in in vitro fertilisation cycles.
European journal of obstetrics, gynecology, and reproductive biology 2003;111(1):50-4.
2003: Oi Shan Tang; Carina C W Chan; Ernest Hung Yu Ng; Sharon W H Lee; Pak Chung Ho
A prospective, randomized, placebo-controlled trial on the use of mifepristone with sublingual or vaginal misoprostol for medical abortions of less than 9 weeks gestation.
Human reproduction (Oxford, England) 2003;18(11):2315-8.
2003: Carina C W Chan; Ernest Hung Yu Ng; Maureen M Y Chan; Oi Shan Tang; Estella Yee Lan Lau; William S B Yeung; Pak Chung Ho
Bioavailability of hCG after intramuscular or subcutaneous injection in obese and non-obese women.
Human reproduction (Oxford, England) 2003;18(11):2294-7.
2003: Chiu-fai Ivy Li; Chi-wai Carina Chan; Pak Chung Ho
A study of the efficacy of cervical ripening with nitric oxide donor versus placebo for cervical priming before second-trimester termination of pregnancy.
Contraception 2003;68(4):269-72.
2003: Guneet Makkar; Ernest Hung Yu Ng; William S B Yeung; Pak Chung Ho
Prognostic factors for successful outcome in patients undergoing controlled ovarian stimulation and intrauterine insemination.
Hong Kong medical journal = Xianggang yi xue za zhi / Hong Kong Academy of Medicine 2003;9(5):341-5.
2003: C C W Chan; Ernest Hung Yu Ng; Chiu-fai Ivy Li; Pak Chung Ho
Impaired ovarian blood flow and reduced antral follicle count following laparoscopic salpingectomy for ectopic pregnancy.
Human reproduction (Oxford, England) 2003;18(10):2175-80.
2003: Ernest Hung Yu Ng; William S B Yeung; Daniel Y T Fong; Pak Chung Ho
Effects of age on hormonal and ultrasound markers of ovarian reserve in Chinese women with proven fertility.
Human reproduction (Oxford, England) 2003;18(10):2169-74.
2003: Suk Wai Ngai; Oi Shan Tang; Pak Chung Ho
Prostaglandins for induction of second-trimester termination and intrauterine death.
Best practice & research. Clinical obstetrics & gynaecology 2003;17(5):765-75.
2003: Chiu-fai Ivy Li; C W Carina Chan; Pak Chung Ho
A comparison of isosorbide mononitrate and misoprostol cervical ripening before suction evacuation.
Obstetrics and gynecology 2003;102(3):583-8.
2003: Wai Cheung; Oi Shan Tang; Sharon W H Lee; Pak Chung Ho
Pilot study on the use of sublingual misoprostol in termination of pregnancy up to 7 weeks gestation.
Contraception 2003;68(2):97-9.
2003: Ernest Hung Yu Ng; Guneet Makkar; William S B Yeung; Pak Chung Ho
A randomized comparison of three insemination methods in an artificial insemination program using husbands' semen.
The Journal of reproductive medicine 2003;48(7):542-6.
2003: Ernest Hung Yu Ng; Athena Liu; Celia H Y Chan; Cecilia L W Chan; William S B Yeung; Pak Chung Ho
Regulating reproductive technology in Hong Kong.
Journal of assisted reproduction and genetics 2003;20(7):281-6.
2003: Jia-Sen Xu; Samuel Ting-Hon Chan; Pak Chung Ho; William S B Yeung
Coculture of human oviductal cells maintains mitochondrial function and decreases caspase activity of cleavage-stage mouse embryos.
Fertility and sterility 2003;80(1):178-83.
2003: J Y M Tse; V W S Liu; William S B Yeung; Estella Yee Lan Lau; Ernest Hung Yu Ng; Pak Chung Ho
Molecular analysis of the androgen receptor gene in Hong Kong Chinese infertile men.
Journal of assisted reproduction and genetics 2003;20(6):227-33.
2003: Pui Wah Hui; Yung Hang Lam; M H Y Tang; Ernest Hung Yu Ng; William S B Yeung; Pak Chung Ho
Amniotic fluid human chorionic gonadotrophin and alpha-fetoprotein levels in pregnancies conceived after assisted reproduction.
Prenatal diagnosis 2003;23(6):484-7.
2003: Ernest Hung Yu Ng; Estella Yee Lan Lau; William S B Yeung; Pak Chung Ho
Oocyte and embryo quality in patients with excessive ovarian response during in vitro fertilization treatment.
Journal of assisted reproduction and genetics 2003;20(5):186-91.
2003: Shun-jia Hong; J Y M Tse; Pak Chung Ho; William S B Yeung
Cumulus cells reduce the spermatozoa-zona binding inhibitory activity of human follicular fluid.
Fertility and sterility 2003;79 Suppl 1():802-7.
2003: Pui Wah Hui; M H Y Tang; Yung Hang Lam; Ernest Hung Yu Ng; William S B Yeung; Pak Chung Ho
Maternal serum hCG and alpha-fetoprotein levels in pregnancies conceived after IVF or ICSI with fresh and frozen-thawed embryos.
Human reproduction (Oxford, England) 2003;18(3):572-5.
2003: Guneet Makkar; Ernest Hung Yu Ng; William S B Yeung; Pak Chung Ho
The significance of the ionophore-challenged acrosome reaction in the prediction of successful outcome of controlled ovarian stimulation and intrauterine insemination.
Human reproduction (Oxford, England) 2003;18(3):534-9.
2003: Chiu-fai Ivy Li; Chin Yin Grace Wong; Chong Pun Ben Chan; Pak Chung Ho
A study of co-treatment of nonsteroidal anti-inflammatory drugs (NSAIDs) with misoprostol for cervical priming before suction termination of first trimester pregnancy.
Contraception 2003;67(2):101-5.
2003: Ernest Hung Yu Ng; Estella Yee Lan Lau; William S B Yeung; Elizabeth T Lau; M H Y Tang; Pak Chung Ho
Pre-implantation genetic diagnosis in Hong Kong.
Hong Kong medical journal = Xianggang yi xue za zhi / Hong Kong Academy of Medicine 2003;9(1):43-7.
2003: Wai Man Cheung; Ernest Hung Yu Ng; Estella Yee Lan Lau; William S B Yeung; William Wai Ki So; Pak Chung Ho
Is there any difference in pregnancy and implantation rates when nurses perform embryo transfer in an IVF-ET program?
Gynecologic and obstetric investigation 2003;56(1):1-5.
2003: Ernest Hung Yu Ng; Benyu Miao; Pak Chung Ho
A randomized double-blind study to compare the effectiveness of three different doses of lignocaine used in paracervical block during oocyte retrieval.
Journal of assisted reproduction and genetics 2003;20(1):8-12.
2003: Oi Shan Tang; Winnie Nga Ting Lau; Ernest Hung Yu Ng; Sharon Wai Heung Lee; Pak Chung Ho
A prospective randomized study to compare the use of repeated doses of vaginal with sublingual misoprostol in the management of first trimester silent miscarriages.
Human reproduction (Oxford, England) 2003;18(1):176-81.
2003: Anna Glasier; KB Smith; Zephne M van der Spuy; Pak Chung Ho; Linan Cheng; Kai Dada; Kaye Wellings; David T Baird
Amenorrhea associated with contraception-an international study on acceptability.
Contraception 2003;67(1):1-8.
2002: William S B Yeung; Philip Chiu; C H Wang; Yuan-Qing Yao; Pak Chung Ho
The effects of levonorgestrel on various sperm functions.
Contraception 2002;66(6):453-7.
2002: Wing Cheong Leung; F Kung; J Lam; TW Leung; Pak Chung Ho
Domestic violence and postnatal depression in a Chinese community.
International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics 2002;79(2):159-66.
2002: Ghazala Sikandar Basir; tina pw lam; Wai-Sum O; Ming Tak Chau; Ernest Hung Yu Ng; Pak Chung Ho
Cycle-to-cycle variation in utero-ovarian hemodynamic indices in ovarian stimulation and natural cycles of the same women and its effect on the outcome of assisted reproduction treatment.
Fertility and sterility 2002;78(5):1055-60.
2002: Wai Cheung; Ernest Hung Yu Ng; Pak Chung Ho
A randomized double-blind comparison of perifollicular vascularity and endometrial receptivity in ovulatory women taking clomiphene citrate at two different times.
Human reproduction (Oxford, England) 2002;17(11):2881-4.
2002: Oi Shan Tang; Sharon W H Lee; Pak Chung Ho
A prospective randomized study on the measured blood loss in medical termination of early pregnancy by three different misoprostol regimens after pretreatment with mifepristone.
Human reproduction (Oxford, England) 2002;17(11):2865-8.
2002: Cecilia L W Chan; Paul S F Yip; Ernest Hung Yu Ng; Pak Chung Ho; Celia H Y Chan; Jade S K Au
Gender selection in China: its meanings and implications.
Journal of assisted reproduction and genetics 2002;19(9):426-30.
2002: J Y M Tse; William S B Yeung; Ernest Hung Yu Ng; L N Cheng; H B Zhu; X M Teng; Y K Liu; Pak Chung Ho
A comparative study of Y chromosome microdeletions in infertile males from two Chinese populations.
Journal of assisted reproduction and genetics 2002;19(8):376-83.
2002: Ernest Hung Yu Ng; Cora Suk Wai Ngai; Pak Chung Ho
Chlamydia trachomatis in infertile women undergoing uterine instrumentation: Screen or treat.
Human reproduction (Oxford, England) 2002;17(8):2215-6; author reply 2216.
2002: Oi Shan Tang; Jieshuang Xu; Linan Cheng; Sharon W H Lee; Pak Chung Ho
Pilot study on the use of sublingual misoprostol with mifepristone in termination of first trimester pregnancy up to 9 weeks gestation.
Human reproduction (Oxford, England) 2002;17(7):1738-40.
2002: Pui Wah Hui; Yung Hang Lam; LIN LIN; M H Y Tang; William S B Yeung; Ernest Hung Yu Ng; Pak Chung Ho
Attitude of at-risk subjects towards preimplantation genetic diagnosis of alpha- and beta-thalassaemias in Hong Kong.
Prenatal diagnosis 2002;22(6):508-11.
2002: Pak Chung Ho; Ernest Hung Yu Ng; Oi Shan Tang
Mifepristone: contraceptive and non-contraceptive uses.
Current opinion in obstetrics & gynecology 2002;14(3):325-30.
2002: Ghazala Sikandar Basir; Wai-Sum O; William Wai Ki So; Ernest Hung Yu Ng; Pak Chung Ho
Evaluation of cycle-to-cycle variation of endometrial responsiveness using transvaginal sonography in women undergoing assisted reproduction.
Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology 2002;19(5):484-9.
2002: Ernest Hung Yu Ng; Benyu Miao; Pak Chung Ho
Anxiolytic premedication reduces preoperative anxiety and pain during oocyte retrieval. A randomized double-blinded placebo-controlled trial.
Human reproduction (Oxford, England) 2002;17(5):1233-8.
2002: C Y G Wong; Ernest Hung Yu Ng; Suk Wai Ngai; Pak Chung Ho
A randomized, double blind, placebo-controlled study to investigate the use of conscious sedation in conjunction with paracervical block for reducing pain in termination of first trimester pregnancy by suction evacuation.
Human reproduction (Oxford, England) 2002;17(5):1222-5.
2002: Oi Shan Tang; Pak Chung Ho
Medical abortion in the second trimester.
Best practice & research. Clinical obstetrics & gynaecology 2002;16(2):237-46.
2002: TW Leung; Wing Cheong Leung; P L Chan; Pak Chung Ho
A comparison of the prevalence of domestic violence between patients seeking termination of pregnancy and other general gynecology patients.
International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics 2002;77(1):47-54.
2002: Ernest Hung Yu Ng; Pak Chung Ho
Doppler ultrasound examination of uterine arteries on the day of oocyte retrieval in patients with uterine fibroids undergoing IVF.
Human reproduction (Oxford, England) 2002;17(3):765-70.
2002: Oi Shan Tang; Benyu Miao; Sharon W H Lee; Pak Chung Ho
Pilot study on the use of repeated doses of sublingual misoprostol in termination of pregnancy up to 12 weeks gestation: efficacy and acceptability.
Human reproduction (Oxford, England) 2002;17(3):654-8.
2002: Oi Shan Tang; Horst Schweer; Hannsjörg W Seyberth; Sharon W H Lee; Pak Chung Ho
Pharmacokinetics of different routes of administration of misoprostol.
Human reproduction (Oxford, England) 2002;17(2):332-6.
2002: Philip Chiu; Pak Chung Ho; Ernest Hung Yu Ng; William S B Yeung
Comparative study of the biological activity of spermatozoa-zona pellucida binding inhibitory factors from human follicular fluid on various sperm function parameters.
Molecular reproduction and development 2002;61(2):205-12.
2002: Oi Shan Tang; Jieshuang Xu; Linan Cheng; Sharon W H Lee; Pak Chung Ho
The effect of contraceptive pills on the measured blood loss in medical termination of pregnancy by mifepristone and misoprostol: a randomized placebo controlled trial.
Human reproduction (Oxford, England) 2002;17(1):99-102.
2001: Ernest Hung Yu Ng; Estella Yee Lan Lau; William S B Yeung; Pak Chung Ho
Transfer of two embryos instead of three will not compromise pregnancy rate but will reduce multiple pregnancy rate in an assisted reproduction unit.
The journal of obstetrics and gynaecology research 2001;27(6):329-35.
2001: Oi Shan Tang; Pak Chung Ho
Pilot study on the use of sublingual misoprostol for medical abortion.
Contraception 2001;64(5):315-7.
2001: Oi Shan Tang; Ernest Hung Yu Ng; William Wai Ki So; Pak Chung Ho
Ultrasound-guided embryo transfer: a prospective randomized controlled trial.
Human reproduction (Oxford, England) 2001;16(11):2310-5.
2001: Jia-Sen Xu; Thomas M T Cheung; Samuel Ting-Hon Chan; Pak Chung Ho; William S B Yeung
Temporal effect of human oviductal cell and its derived embryotrophic factors on mouse embryo development.
Biology of reproduction 2001;65(5):1481-8.
2001: Ernest Hung Yu Ng; Pak Chung Ho
Use of gonadotrophin releasing hormone (GnRH) antagonist (cetrotide) during ovarian stimulation for in-vitro fertilization treatment: multiple doses and single dose.
The journal of obstetrics and gynaecology research 2001;27(5):261-5.
2001: Yin-Lau Lee; Jia-Sen Xu; Samuel Ting-Hon Chan; Pak Chung Ho; William S B Yeung
Vero cells, but not oviductal cells, increase the hatching frequency and total cell count of mouse blastocysts partly by changing energy substrate concentrations in culture medium.
Journal of assisted reproduction and genetics 2001;18(10):566-74.
2001: Ghazala Sikandar Basir; tina pw lam; Ming Tak Chau; Ernest Hung Yu Ng; Wai-Sum O; Pak Chung Ho
Colour Doppler analysis of peri-implantation utero-ovarian haemodynamics in women with excessively high oestradiol concentrations after ovarian stimulation.
Human reproduction (Oxford, England) 2001;16(10):2114-7.
2001: Pak Chung Ho
Mifepristone: a potential postcoital contraceptive.
Expert opinion on pharmacotherapy 2001;2(9):1383-8.
2001: Ernest Hung Yu Ng; Nelson M S Wat; Pak Chung Ho
Effects of metformin on ovulation rate, hormonal and metabolic profiles in women with clomiphene-resistant polycystic ovaries: a randomized, double-blinded placebo-controlled trial.
Human reproduction (Oxford, England) 2001;16(8):1625-31.
2001: Suk Wai Ngai; Yik-Ming Chan; Oi Shan Tang; Pak Chung Ho
Vaginal misoprostol as medical treatment for first trimester spontaneous miscarriage.
Human reproduction (Oxford, England) 2001;16(7):1493-6.
2001: Suk Wai Ngai; Yik-Ming Chan; Pak Chung Ho
The use of misoprostol prior to hysteroscopy in postmenopausal women.
Human reproduction (Oxford, England) 2001;16(7):1486-8.
2001: Guneet Makkar; Ernest Hung Yu Ng; William S B Yeung; Pak Chung Ho
A comparative study of raw and prepared semen samples from two consecutive days.
The Journal of reproductive medicine 2001;46(6):565-72.
2001: Ernest Hung Yu Ng; DK Chui; Oi Shan Tang; Pak Chung Ho
Paracervical block with and without conscious sedation: a comparison of the pain levels during egg collection and the postoperative side effects.
Fertility and sterility 2001;75(4):711-7.
2001: Ernest Hung Yu Ng; Oi Shan Tang; Pak Chung Ho
Measurement of serum CA-125 concentrations does not improve the value of Chlamydia trachomatis antibody in predicting tubal pathology at laparoscopy.
Human reproduction (Oxford, England) 2001;16(4):775-9.
2001: Ghazala Sikandar Basir; tina pw lam; Wai-Sum O; Pak Chung Ho
Haemodynamic evaluation of tubal and male factors of infertility in natural and ovarian stimulation cycles.
Journal of assisted reproduction and genetics 2001;18(3):125-8.
2001: Ghazala Sikandar Basir; Wai-Sum O; Ernest Hung Yu Ng; Pak Chung Ho
Morphometric analysis of peri-implantation endometrium in patients having excessively high oestradiol concentrations after ovarian stimulation.
Human reproduction (Oxford, England) 2001;16(3):435-40.
2001: Ernest Hung Yu Ng; Estella Yee Lan Lau; William S B Yeung; Pak Chung Ho
HMG is as good as recombinant human FSH in terms of oocyte and embryo quality: a prospective randomized trial.
Human reproduction (Oxford, England) 2001;16(2):319-25.
2001: J Y M Tse; William S B Yeung; Estella Yee Lan Lau; Ernest Hung Yu Ng; Po-Chor Tam; William Wai Ki So; M H Y Tang; Elizabeth T Lau; Pak Chung Ho
Transmission of the Y chromosome microdeletion to a baby boy conceived after intracytoplasmic sperm injection.
Chinese medical journal 2001;114(1):97-9.
2001: Wing Cheong Leung; YY Wong; TW Leung; Pak Chung Ho
Pregnancy outcome following domestic violence in a Chinese community.
International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics 2001;72(1):79-80.
2000: E Y Ng; William S B Yeung; Pak Chung Ho
Comparison of two dosages of recombinant human follicle-stimulating hormone in Chinese women undergoing controlled ovarian stimulation: prospective randomised double-blind study.
Hong Kong medical journal = Xianggang yi xue za zhi / Hong Kong Academy of Medicine 2000;6(4):368-74.
2000: J Xu; Thomas M T Cheung; Samuel Ting-Hon Chan; Pak Chung Ho; William S B Yeung
Human oviductal cells reduce the incidence of apoptosis in cocultured mouse embryos.
Fertility and sterility 2000;74(6):1215-9.
2000: Suk Wai Ngai; Oi Shan Tang; Pak Chung Ho
Randomized comparison of vaginal (200 microg every 3 h) and oral (400 microg every 3 h) misoprostol when combined with mifepristone in termination of second trimester pregnancy.
Human reproduction (Oxford, England) 2000;15(10):2205-8.
2000: Ernest Hung Yu Ng; Oi Shan Tang; DK Chui; Pak Chung Ho
Comparison of two different doses of lignocaine used in paracervical block during oocyte collection in an IVF programme.
Human reproduction (Oxford, England) 2000;15(10):2148-51.
2000: Ernest Hung Yu Ng; Oi Shan Tang; Pak Chung Ho
The significance of the number of antral follicles prior to stimulation in predicting ovarian responses in an IVF programme.
Human reproduction (Oxford, England) 2000;15(9):1937-42.
2000: Winnie Nga Ting Lau; William Wai Ki So; William S B Yeung; Pak Chung Ho
The effect of ageing on female fertility in an assisted reproduction programme in Hong Kong: retrospective study.
Hong Kong medical journal = Xianggang yi xue za zhi / Hong Kong Academy of Medicine 2000;6(2):147-52.
2000: J Y M Tse; William S B Yeung; Estella Yee Lan Lau; Ernest Hung Yu Ng; William Wai Ki So; Pak Chung Ho
Deletions within the azoospermia factor subregions of the Y chromosome in Hong Kong Chinese men with severe male-factor infertility: controlled clinical study.
Hong Kong medical journal = Xianggang yi xue za zhi / Hong Kong Academy of Medicine 2000;6(2):143-6.
2000: Pak Chung Ho
Emergency contraception: methods and efficacy.
Current opinion in obstetrics & gynecology 2000;12(3):175-9.
2000: Suk Wai Ngai; Oi Shan Tang; Yik-Ming Chan; Pak Chung Ho
Vaginal misoprostol alone for medical abortion up to 9 weeks of gestation: efficacy and acceptability.
Human reproduction (Oxford, England) 2000;15(5):1159-62.
2000: Ernest Hung Yu Ng; L C Ajonuma; Estella Yee Lan Lau; William S B Yeung; Pak Chung Ho
Adverse effects of hydrosalpinx fluid on sperm motility and survival.
Human reproduction (Oxford, England) 2000;15(4):772-7.
2000: Hoi Yee Ng; Yu-Lung Lau; SB Yeung; Winnie Kwok-Wei So; Po-Chor Tam; Pak Chung Ho
Testicular sperm extraction and intracytoplasmic sperm injection in non-obstructive azoospermia.
Chinese medical journal 2000;113(3):246-50.
2000: Kin-Sun Wong; C S Ngai; Evelyn L K Yeo; Lawrence C H Tang; Pak Chung Ho
A comparison of two regimens of intravaginal misoprostol for termination of second trimester pregnancy: a randomized comparative trial.
Human reproduction (Oxford, England) 2000;15(3):709-12.
2000: Anna Glasier; R Anakwe; D Everington; Cameron W Martin; Zephne M van der Spuy; Linan Cheng; Pak Chung Ho; Richard A Anderson
Would women trust their partners to use a male pill?
Human reproduction (Oxford, England) 2000;15(3):646-9.
2000: Cameron W Martin; Richard A Anderson; Linan Cheng; Pak Chung Ho; Zephne M van der Spuy; KB Smith; Anna Glasier; D Everington; David T Baird
Potential impact of hormonal male contraception: cross-cultural implications for development of novel preparations.
Human reproduction (Oxford, England) 2000;15(3):637-45.
2000: Ernest Hung Yu Ng; William S B Yeung; E Yee Lan Lau; William Wai Ki So; Pak Chung Ho
High serum oestradiol concentrations in fresh IVF cycles do not impair implantation and pregnancy rates in subsequent frozen-thawed embryo transfer cycles.
Human reproduction (Oxford, England) 2000;15(2):250-5.
1999: Anna Glasier; KB Smith; Linan Cheng; Pak Chung Ho; Zephne M van der Spuy; David T Baird
An international study on the acceptability of a once-a-month pill.
Human reproduction (Oxford, England) 1999;14(12):3018-22.
1999: Guneet Makkar; Hoi Yee Ng; SB Yeung; Pak Chung Ho
Comparison of two colloidal silica-based sperm separation media with a non-silica-based medium.
Fertility and sterility 1999;72(5):796-802.
1999: Ernest Hung Yu Ng; Oi Shan Tang; DK Chui; Pak Chung Ho
A prospective, randomized, double-blind and placebo-controlled study to assess the efficacy of paracervical block in the pain relief during egg collection in IVF.
Human reproduction (Oxford, England) 1999;14(11):2783-7.
1999: Hoi Yee Ng; Yu-Lung Lau; SB Yeung; Winnie Kwok-Wei So; Po-Chor Tam; Pak Chung Ho
Birth after testicular sperm extraction and intracytoplasmic sperm injection in non-obstructive azoospermia.
Chinese medical journal 1999;112(9):861-4.
1999: Suk Wai Ngai; Yik-Ming Chan; Oi Shan Tang; Pak Chung Ho
The use of misoprostol for pre-operative cervical dilatation prior to vacuum aspiration: a randomized trial.
Human reproduction (Oxford, England) 1999;14(8):2139-42.
1999: Yung Hang Lam; William S B Yeung; M H Y Tang; Ernest Hung Yu Ng; William Wai Ki So; Pak Chung Ho
Maternal serum alpha-fetoprotein and human chorionic gonadotrophin in pregnancies conceived after intracytoplasmic sperm injection and conventional in-vitro fertilization.
Human reproduction (Oxford, England) 1999;14(8):2120-3.
1999: Wing Cheong Leung; TW Leung; Y Y Lam; Pak Chung Ho
The prevalence of domestic violence against pregnant women in a Chinese community.
International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics 1999;66(1):23-30.
1999: Oi Shan Tang; P P Gao; Linan Cheng; Sharon W H Lee; Pak Chung Ho
A randomized double-blind placebo-controlled study to assess the effect of oral contraceptive pills on the outcome of medical abortion with mifepristone and misoprostol.
Human reproduction (Oxford, England) 1999;14(3):722-5.
1999: Yuan-Qing Yao; Pak Chung Ho; William S B Yeung
Effects of human oviductal cell coculture on various functional parameters of human spermatozoa.
Fertility and sterility 1999;71(2):232-9.
1999: Oi Shan Tang; Kin-Sun Wong; Lawrence C H Tang; Pak Chung Ho
Pilot study on the use of repeated doses of misoprostol in termination of pregnancy at less than 9 weeks of gestation.
Advances in contraception : the official journal of the Society for the Advancement of Contraception 1999;15(3):211-6.
1998: N H Ernest; T O Flora; S W William; Pak Chung Ho
A prospective, open, randomized clinical study to assess the efficacy and safety of two gonadotropin preparations administered in WHO Group II anovulatory subfertile women.
The journal of obstetrics and gynaecology research 1998;24(5):355-61.
1998: Kin-Sun Wong; C S Ngai; Alice Y K Wong; Lawrence C H Tang; Pak Chung Ho
Vaginal misoprostol compared with vaginal gemeprost in termination of second trimester pregnancy. A randomized trial.
Contraception 1998;58(4):207-10.
1998: Yuan-Qing Yao; C N Chiu; S M Ip; Pak Chung Ho; Philip Chiu
Glycoproteins present in human follicular fluid that inhibit the zona-binding capacity of spermatozoa.
Human reproduction (Oxford, England) 1998;13(9):2541-7.
1998: Ernest Hung Yu Ng; William S B Yeung; William Wai Ki So; Pak Chung Ho
An analysis of ectopic pregnancies following in vitro fertilisation treatment in a 10-year period.
Journal of obstetrics and gynaecology : the journal of the Institute of Obstetrics and Gynaecology 1998;18(4):359-64.
1998: L P Liu; Samuel Ting-Hon Chan; Pak Chung Ho; William S B Yeung
Partial purification of embryotrophic factors from human oviductal cells.
Human reproduction (Oxford, England) 1998;13(6):1613-9.
1998: Oi Shan Tang; P P Gao; Linan Cheng; S Lee; Pak Chung Ho
Pilot study on the use of a two-week course of oral misoprostol in patients after termination of pregnancy with mifepristone and misoprostol.
Contraception 1998;57(2):89-91.
1998: William S B Yeung; Estella Yee Lan Lau; K H Ng; Thomas M T Cheung; William Wai Ki So; Pak Chung Ho
A prospective randomized control study to compare the effect of serum and a commercial serum substitute (Plasmanate) on the outcome of assisted reproduction program.
The journal of obstetrics and gynaecology research 1998;24(1):77-81.
1998: J Qiao; William S B Yeung; Yuan-Qing Yao; Pak Chung Ho
The effects of follicular fluid from patients with different indications for IVF treatment on the binding of human spermatozoa to the zona pellucida.
Human reproduction (Oxford, England) 1998;13(1):128-31.
1997: Suk Wai Ngai; Yik-Ming Chan; K L Liu; Pak Chung Ho
Oral misoprostol for cervical priming in non-pregnant women.
Human reproduction (Oxford, England) 1997;12(11):2373-5.
1997: Pak Chung Ho; Suk Wai Ngai; K L Liu; G C Wong; Sharon W H Lee
Vaginal misoprostol compared with oral misoprostol in termination of second-trimester pregnancy.
Obstetrics and gynecology 1997;90(5):735-8.
1997: Ernest Hung Yu Ng; William S B Yeung; Pak Chung Ho
The presence of hydrosalpinx may not adversely affect the implantation and pregnancy rates in in vitro fertilization treatment.
Journal of assisted reproduction and genetics 1997;14(9):508-12.
1997: SB Yeung; Yu-Lung Lau; Winnie Kwok-Wei So; Hoi Yee Ng; T H Chan; Pak Chung Ho
Assisted reproduction technology in Queen Mary Hospital: ten years' experience.
Chinese medical journal 1997;110(6):444-7.
1996: Yuan-Qing Yao; William S B Yeung; Pak Chung Ho
Human follicular fluid inhibits the binding of human spermatozoa to zona pellucida in vitro.
Human reproduction (Oxford, England) 1996;11(12):2674-80.
1996: William S B Yeung; E Y Lau; A Y Chan; Pak Chung Ho
The production of interleukin-1 alpha immunoreactivity by human oviductal cells in a coculture system.
Journal of assisted reproduction and genetics 1996;13(10):772-5.
1996: William S B Yeung; E Y Lau; Samuel Ting-Hon Chan; Pak Chung Ho
Coculture with homologous oviductal cells improved the implantation of human embryos--a prospective randomized control trial.
Journal of assisted reproduction and genetics 1996;13(10):762-7.
1996: Suk Wai Ngai; K C Yeung; Terence T Lao; Pak Chung Ho
Oral misoprostol versus mifepristone for cervical dilatation before vacuum aspiration in first trimester nulliparous pregnancy: a double blind prospective randomised study.
British journal of obstetrics and gynaecology 1996;103(11):1120-3.
1996: Yuan-Qing Yao; William S B Yeung; Pak Chung Ho
The factors affecting sperm binding to the zona pellucida in the hemizona binding assay.
Human reproduction (Oxford, England) 1996;11(7):1516-9.
1996: Suk Wai Ngai; W K To; Terence T Lao; Pak Chung Ho
Cervical priming with oral misoprostol in pre-labor rupture of membranes at term.
Obstetrics and gynecology 1996;87(6):923-6.
1996: Pak Chung Ho; Y F Chan; W Lau
Misoprostol is as effective as gemeprost in termination of second trimester pregnancy when combined with mifepristone: a randomised comparative trial.
Contraception 1996;53(5):281-3.
1996: Yuan-Qing Yao; V Ng; William S B Yeung; Pak Chung Ho
Profiles of sperm morphology and motility after discontinuous multiple-step Percoll density gradient centrifugation.
Andrologia 1996;28(2):127-31.
1995: L P Liu; Samuel Ting-Hon Chan; Pak Chung Ho; William S B Yeung
Human oviductal cells produce high molecular weight factor(s) that improves the development of mouse embryo.
Human reproduction (Oxford, England) 1995;10(10):2781-6.
1995: Pak Chung Ho; S S Tsang; H K Ma
Reducing the induction to abortion interval in termination of second trimester pregnancies: a comparison of mifepristone with laminaria tent.
British journal of obstetrics and gynaecology 1995;102(8):648-51.
1995: Suk Wai Ngai; K C Yeung; Terence T Lao; Pak Chung Ho
Oral misoprostol versus vaginal gemeprost for cervical dilatation prior to vacuum aspiration in women in the sixth to twelfth week of gestation.
Contraception 1995;51(6):347-50.
1995: Suk Wai Ngai; Oi Shan Tang; Terence T Lao; Pak Chung Ho; H K Ma
Oral misoprostol versus placebo for cervical dilatation before vacuum aspiration in first trimester pregnancy.
Human reproduction (Oxford, England) 1995;10(5):1220-2.
1994: Y F Chan; William Wai Ki So; William S B Yeung; E Y Lau; Pak Chung Ho
The value of a single sensitive urine pregnancy test in prediction of pregnancy outcome.
Asia-Oceania journal of obstetrics and gynaecology / AOFOG 1994;20(4):401-5.
1994: William S B Yeung; V K Ng; E Y Lau; Pak Chung Ho
Human oviductal cells and their conditioned medium maintain the motility and hyperactivation of human spermatozoa in vitro.
Human reproduction (Oxford, England) 1994;9(4):656-60.
1993: Pak Chung Ho; Y F Chan; Winnie Kwok-Wei So; William S B Yeung; Samuel Ting-Hon Chan
Luteinizing hormone (LH) surge in patients using buserelin spray during ovarian stimulation for assisted reproduction.
Asia-Oceania journal of obstetrics and gynaecology / AOFOG 1993;19(2):159-63.
1993: Y F Chan; William Wai Ki So; Pak Chung Ho; Grace W K Tang
The value of transabdominal pelvic ultrasonography in monitoring of ovulation induction with gonadotropins.
Asia-Oceania journal of obstetrics and gynaecology / AOFOG 1993;19(2):153-8.
1993: Annie W C Kung; Pak Chung Ho; C Wang
Seminal leucocyte subpopulations and sperm function in fertile and infertile Chinese men.
International journal of andrology 1993;16(3):189-94.
1993: Pak Chung Ho; Grace W K Tang; JW Lawton
Lymphocyte subsets and serum immunoglobulins in patients with premature ovarian failure before and after oestrogen replacement.
Human reproduction (Oxford, England) 1993;8(5):714-6.
1993: Y F Chan; Pak Chung Ho; William Wai Ki So; William S B Yeung
Basal serum pituitary hormone levels and outcome of in vitro fertilization utilizing a flare nasal gonadotropin releasing hormone agonist and fixed low-dose follicle-stimulating hormone/human menopausal gonadotropin regimen.
Journal of assisted reproduction and genetics 1993;10(4):251-4.
1993: Pak Chung Ho; M S Kwan
A prospective randomized comparison of levonorgestrel with the Yuzpe regimen in post-coital contraception.
Human reproduction (Oxford, England) 1993;8(3):389-92.
1993: Pak Chung Ho; H K Ma
Termination of second trimester pregnancy with sulprostone and mifepristone: a randomized double-blind placebo-controlled trial.
Contraception 1993;47(2):123-9.
1992: Pak Chung Ho; Winnie Kwok-Wei So; Y F Chan; William S B Yeung
Intrauterine insemination after ovarian stimulation as a treatment for subfertility because of subnormal semen: a prospective randomized controlled trial.
Fertility and sterility 1992;58(5):995-9.
1992: William S B Yeung; Pak Chung Ho; E Y Lau; Samuel Ting-Hon Chan
Improved development of human embryos in vitro by a human oviductal cell co-culture system.
Human reproduction (Oxford, England) 1992;7(8):1144-9.
1992: S J Duthie; A Ghosh; A Ng; Pak Chung Ho
Intra-operative blood loss during elective lower segment caesarean section.
British journal of obstetrics and gynaecology 1992;99(5):364-7.
1992: William S B Yeung; Y F Chan; Winnie Kwok-Wei So; Pak Chung Ho; Samuel Ting-Hon Chan
Early pregnancy in human may not be associated with mild thrombocytopenia.
Journal of assisted reproduction and genetics 1992;9(1):80-3.
1991: Pak Chung Ho; Grace W K Tang; JW Lawton
Lymphocyte subsets in patients with oestrogen deficiency.
Journal of reproductive immunology 1991;20(1):85-91.
1990: S Y Chan; C Wang; Samuel Ting-Hon Chan; Pak Chung Ho
Differential evaluation of human sperm hypoosmotic swelling test and its relationship with the outcome of in-vitro fertilization of human oocytes.
Human reproduction (Oxford, England) 1990;5(1):84-8.
1990: Pak Chung Ho; W T Liu; M S Kwan
Serum lipids in Chinese patients using oral contraceptive pills.
Contraception 1990;41(1):55-61.
1989: C Q Zhong; Pak Chung Ho; M C Fan; S Y Chan; W W So; C Wang
Immunological studies in patients with oligospermia.
Fertility and sterility 1989;52(4):667-9.
1989: Y F Chan; Pak Chung Ho; William Wai Ki So; S Y Chan; Samuel Ting-Hon Chan
Efficacy of the urinary hemagglutination test (Higonavis) and enzyme immunoassay (Ovustick) in detection of the spontaneous luteinizing hormone surge in an in vitro fertilization/gamete intrafallopian transfer (IVF/GIFT) program.
Journal of in vitro fertilization and embryo transfer : IVF 1989;6(4):218-21.
1989: S Y Chan; C Wang; Samuel Ting-Hon Chan; Pak Chung Ho; William Wai Ki So; Y F Chan; H K Ma
Predictive value of sperm morphology and movement characteristics in the outcome of in vitro fertilization of human oocytes.
Journal of in vitro fertilization and embryo transfer : IVF 1989;6(3):142-8.
1989: Pak Chung Ho; I M Poon; S Y Chan; C Wang
Intrauterine insemination is not useful in oligoasthenospermia.
Fertility and sterility 1989;51(4):682-4.
1989: A W Wong; Pak Chung Ho; M Kwan; H K Ma
Factors affecting the success of artificial insemination by frozen donor semen.
International journal of fertility 1989;34(1):25-9.
1988: S Y Chan; C Wang; M Ng; W W So; Pak Chung Ho
Multivariate discriminant analysis of the relationship between the hypo-osmotic swelling test and the in-vitro fertilizing capacity of human sperm.
International journal of andrology 1988;11(5):369-78.
1988: Pak Chung Ho; Grace W K Tang; Kelvin Hoi-Man Fu; M C Fan; JW Lawton
Immunologic studies in patients with premature ovarian failure.
Obstetrics and gynecology 1988;71(4):622-6.
1988: Pak Chung Ho; S Y Chan; Grace W K Tang
Diagnosis of early pregnancy by enzyme immunoassay of Schwangerschafts-protein 1.
Fertility and sterility 1988;49(1):76-80.