FIND

researchers

DISCOVER

relevant articles

PROMOTE

your research

now for free

Chris Thomas

Research Profile

Physiology

Pregnancy

Chemicals & Drugs

Disorders

Procedures

Case Control Studies

Concepts & Ideas

Geographic Areas

Netherlands

Co-author Network

Publications

TOP 3
Charlotte Lybol; PB Ottevanger; Fred C G J Sweep; Chris M G Thomas; Leon F A G Massuger
Centralised registration of gestational trophoblastic disease and trends in incidence.
Marian A Spath; Chris M G Thomas; Ad Geurts van Kessel; Helger G Yntema; Didi D M Braat; Ton B Feuth; Stephanie L Sherman; Arie P T Smits; Emily G Allen
Predictors and risk model development for menopausal age in fragile X premutation carriers.
Charlotte Lybol; Chris M G Thomas; Johan Bulten; Jos A A M van Dijck; Fred C G J Sweep; Leon F A G Massuger
Increase in the incidence of gestational trophoblastic disease in The Netherlands.

Register for free to view:

Visualized networks:

See your personal network in
sophisticated graphical views

GeoTargeted Searches:

Locate experts around the world
and connect with global collaborators

Research Profiles:

See the research activity
of experts around the globe

Geonetwork of Chris Thomas (preview)

Cities where this author has publications
Cities where co-authors of this author have publications

Flash Player Required

All Publications

2012: Charlotte Lybol; PB Ottevanger; Fred C G J Sweep; Chris M G Thomas; Leon F A G Massuger
Centralised registration of gestational trophoblastic disease and trends in incidence.
Acta oncologica (Stockholm, Sweden) 2012;51(3):415-6.
2011: Marian A Spath; Chris M G Thomas; Ad Geurts van Kessel; Helger G Yntema; Didi D M Braat; Ton B Feuth; Stephanie L Sherman; Arie P T Smits; Emily G Allen
Predictors and risk model development for menopausal age in fragile X premutation carriers.
Genetics in medicine : official journal of the American College of Medical Genetics 2011;13(7):643-50.
2011: Charlotte Lybol; Chris M G Thomas; Johan Bulten; Jos A A M van Dijck; Fred C G J Sweep; Leon F A G Massuger
Increase in the incidence of gestational trophoblastic disease in The Netherlands.
Gynecologic oncology 2011;121(2):334-8.
2011: Cynthia S Gubbels; Chris M G Thomas; Will K W H Wodzig; André J Olthaar; Jaak Jaeken; Fred C G J Sweep; M Estela Rubio-Gozalbo
FSH isoform pattern in classic galactosemia.
Journal of inherited metabolic disease 2011;34(2):387-90.
2010: Eva Kolwijck; Janko Kos; Natasja Obermajer; Paul Span; Chris M G Thomas; L F A G Massuger; Fred C G J Sweep
The balance between extracellular cathepsins and cystatin C is of importance for ovarian cancer.
European journal of clinical investigation 2010;40(7):591-9.
2010: Eva Kolwijck; Leon F A G Massuger; Chris M G Thomas; Paul Span; Marta Krasovec; Janko Kos; Fred C G J Sweep
Cathepsins B, L and cystatin C in cyst fluid of ovarian tumors.
Journal of cancer research and clinical oncology 2010;136(5):771-8.
2010: Chris M G Thomas; Linda Kerkmeijer; Henk J W Ariaens; Rob C B M van der Steen; L F A G Massuger; Fred C G J Sweep
Pre-evacuation hCG glycoforms in uneventful complete hydatidiform mole and persistent trophoblastic disease.
Gynecologic oncology 2010;117(1):47-52.
2010: Eva Kolwijck; Paul Span; Chris M G Thomas; Johan Bulten; Fred C G J Sweep; L F A G Massuger
Prognostic value of CA 125 in ovarian cyst fluid of patients with epithelial ovarian cancer.
Oncology reports 2010;23(2):579-84.
2009: Eva Kolwijck; Chris M G Thomas; Johan Bulten; L F A G Massuger
Preoperative CA-125 levels in 123 patients with borderline ovarian tumors: a retrospective analysis and review of the literature.
International journal of gynecological cancer : official journal of the International Gynecological Cancer Society 2009;19(8):1335-8.
2009: Yvonne R P de Waal; Chris M G Thomas; Angèle L M Oei; Fred C G J Sweep; Leon F A G Massuger
Secondary ovarian malignancies: frequency, origin, and characteristics.
International journal of gynecological cancer : official journal of the International Gynecological Cancer Society 2009;19(7):1160-5.
2009: Chris M G Thomas; Paul Span; Jesper M J Smeenk; Rob G J M Hanssen; D D M Braat; Fred C G J Sweep
Occurrence of postmenopausal-like acidic follicle-stimulating hormone (FSH) isoforms precedes the rise of FSH before menopause.
Fertility and sterility 2009;92(2):613-9.
2009: Linda Kerkmeijer; Chris M G Thomas; R Harvey; Fred C G J Sweep; H Mitchell; L F A G Massuger; M J Seckl
External validation of serum hCG cutoff levels for prediction of resistance to single-agent chemotherapy in patients with persistent trophoblastic disease.
British journal of cancer 2009;100(6):979-84.
2009: Linda G W Kerkmeijer; L F A G Massuger; Marianne J Ten Kate-Booij; Fred C G J Sweep; Chris M G Thomas
Earlier diagnosis and serum human chorionic gonadotropin regression in complete hydatidiform moles.
Obstetrics and gynecology 2009;113(2 Pt 1):326-31.
2008: I M W Ebisch; Chris M G Thomas; Alex M M Wetzels; Wim N P Willemsen; Fred C G J Sweep; Régine P M Steegers-Theunissen
Review of the role of the plasminogen activator system and vascular endothelial growth factor in subfertility.
Fertility and sterility 2008;90(6):2340-50.
2008: A L M Oei; María Moreno; René H M Verheijen; Fred C G J Sweep; Chris M G Thomas; L F A G Massuger; Silvia von Mensdorff-Pouilly
Induction of IgG antibodies to MUC1 and survival in patients with epithelial ovarian cancer.
International journal of cancer. Journal international du cancer 2008;123(8):1848-53.
2008: A L M Oei; Fred C G J Sweep; Anneke Geurts-Moespot; Doorléne T H van Tienoven; Silvia von Mensdorff-Pouilly; Chris M G Thomas; L F A G Massuger
Human anti-mouse IgM and IgG responses in ovarian cancer patients after radioimmunotherapy with 90Y-muHMFG1.
Anticancer research 2008;28(5A):2721-5.
2008: A L M Oei; Fred C G J Sweep; Chris M G Thomas; Otto Boerman; L F A G Massuger
The use of monoclonal antibodies for the treatment of epithelial ovarian cancer (review).
International journal of oncology 2008;32(6):1145-57.
2008: A L M Oei; Fred C G J Sweep; L F A G Massuger; André J Olthaar; Chris M G Thomas
Transient human anti-mouse antibodies (HAMA) interference in CA 125 measurements during monitoring of ovarian cancer patients treated with murine monoclonal antibody.
Gynecologic oncology 2008;109(2):199-202.
2007: Nienke E van Trommel; L F A G Massuger; Paul Span; Fred C G J Sweep; Chris M G Thomas
Early identification of treatment resistance in GTN.
The lancet oncology 2007;8(10):866-7.
2007: A L M Oei; Otto Boerman; Anneke Geurts-Moespot; Julliëtte E M van Eerd; Doorléne T H van Tienoven; N Courtenay-Luck; Chris M G Thomas; L F A G Massuger; Fred C G J Sweep
Development of ELISAs for quantification of HMFG1-specific human anti-mouse IgG and IgM antibodies.
The International journal of biological markers 2007;22(3):167-71.
2007: Linda Kerkmeijer; Sabien Wielsma; L F A G Massuger; Fred C G J Sweep; Chris M G Thomas
Recurrent gestational trophoblastic disease after hCG normalization following hydatidiform mole in The Netherlands.
Gynecologic oncology 2007;106(1):142-6.
2007: I M W Ebisch; Régine P M Steegers-Theunissen; Fred C G J Sweep; Gerhard A Zielhuis; Anneke Geurts-Moespot; Chris M G Thomas
Possible role of the plasminogen activation system in human subfertility.
Fertility and sterility 2007;87(3):619-26.
2007: I M W Ebisch; Chris M G Thomas; Wilbert H M Peters; D D M Braat; Régine P M Steegers-Theunissen
The importance of folate, zinc and antioxidants in the pathogenesis and prevention of subfertility.
Human reproduction update 2007;13(2):163-74.
2007: Angelique J A Kooper; Dagmar de Bruijn; Conny M A van Ravenwaaij-Arts; B H W Faas; Johan W T Creemers; Chris M G Thomas; Arie P T Smits
Fetal anomaly scan potentially will replace routine AFAFP assays for the detection of neural tube defects.
Prenatal diagnosis 2007;27(1):29-33.
2007: Jesper M J Smeenk; Fred C G J Sweep; Gerhard A Zielhuis; Jan A M Kremer; Chris M G Thomas; D D M Braat
Antimüllerian hormone predicts ovarian responsiveness, but not embryo quality or pregnancy, after in vitro fertilization or intracyoplasmic sperm injection.
Fertility and sterility 2007;87(1):223-6.
2006: Nienke E van Trommel; Fred C G J Sweep; H Alec Ross; L F A G Massuger; Chris M G Thomas
Comparison of human chorionic gonadotropin +beta and invasive trophoblast antigen disappearance rates in serum after evacuation of molar pregnancy.
International journal of molecular medicine 2006;18(4):705-11.
2006: Marianne Coolman; Christianne J M De Groot; Eric A P Steegers; Anneke Geurts-Moespot; Chris M G Thomas; Régine P M Steegers-Theunissen; Fred C G J Sweep
Concentrations of plasminogen activators and their inhibitors in blood preconceptionally, during and after pregnancy.
European journal of obstetrics, gynecology, and reproductive biology 2006;128(1-2):22-8.
2006: I M W Ebisch; Wilbert H M Peters; Chris M G Thomas; Alex M M Wetzels; Petronella G M Peer; Régine P M Steegers-Theunissen
Homocysteine, glutathione and related thiols affect fertility parameters in the (sub)fertile couple.
Human reproduction (Oxford, England) 2006;21(7):1725-33.
2006: Jesper M J Smeenk; D D M Braat; Jan A M Kremer; Fred C G J Sweep; Chris M G Thomas
Follicle-stimulating hormone isoforms are not useful as pretreatment predictors of outcome in in vitro fertilization: a pilot study.
Fertility and sterility 2006;85(5):1519-22.
2006: I M W Ebisch; F H Pierik; Frank de Jong; Chris M G Thomas; Régine P M Steegers-Theunissen
Does folic acid and zinc sulphate intervention affect endocrine parameters and sperm characteristics in men?
International journal of andrology 2006;29(2):339-45.
2006: Reini Bretveld; Chris M G Thomas; Paul T J Scheepers; Gerhard A Zielhuis; Nel Roeleveld
Pesticide exposure: the hormonal function of the female reproductive system disrupted?
Reproductive biology and endocrinology : RB&E 2006;4():30.
2006: H Ngo Duc; Nienke E van Trommel; Fred C G J Sweep; L F A G Massuger; Chris M G Thomas
Clinical utility of hyperglycosylated hCG in serum taken before hydatidiform mole evacuation to predict persistent trophoblastic disease.
The International journal of biological markers 2006;21(1):45-9.
2006: Nienke E van Trommel; L F A G Massuger; C P T Schijf; Marianne J Ten Kate-Booij; Fred C G J Sweep; Chris M G Thomas
Early identification of resistance to first-line single-agent methotrexate in patients with persistent trophoblastic disease.
Journal of clinical oncology : official journal of the American Society of Clinical Oncology 2006;24(1):52-8.
2005: Nienke E van Trommel; Chris M G Thomas; L F A G Massuger; Fred C G J Sweep
Second curettage in persistent trophoblastic disease (PTD): the need for univocal definition of PTD.
Gynecologic oncology 2005;99(1):250-1; author reply 251.
2005: Nienke E van Trommel; Fred C G J Sweep; C P T Schijf; L F A G Massuger; Chris M G Thomas
Diagnosis of hydatidiform mole and persistent trophoblastic disease: diagnostic accuracy of total human chorionic gonadotropin (hCG), free hCG {alpha}- and {beta}-subunits, and their ratios.
European journal of endocrinology / European Federation of Endocrine Societies 2005;153(4):565-75.
2005: Nienke E van Trommel; L F A G Massuger; René H M Verheijen; Fred C G J Sweep; Chris M G Thomas
The curative effect of a second curettage in persistent trophoblastic disease: a retrospective cohort survey.
Gynecologic oncology 2005;99(1):6-13.
2005: Ingrid M Van Beynum; Martin den Heijer; Chris M G Thomas; Lydia A Afman; Diny Oppenraay-van Emmerzaal; Henk J Blom
Total homocysteine and its predictors in Dutch children.
The American journal of clinical nutrition 2005;81(5):1110-6.
2004: Eva Maria Roes; Eric A P Steegers; Chris M G Thomas; Anneke Geurts-Moespot; Maarten T M Raijmakers; Wilbert H M Peters; C G J Sweep
High levels of urinary vascular endothelial growth factor in women with severe preeclampsia.
The International journal of biological markers 2004;19(1):72-5.
2004: Eva Maria Roes; M A Gaytant; Chris M G Thomas; Maarten T M Raijmakers; Petra L M Zusterzeel; Wilbert H M Peters; Eric A P Steegers
First trimester inhibin-A concentrations and later development of preeclampsia.
Acta obstetricia et gynecologica Scandinavica 2004;83(1):117.
2003: I M W Ebisch; Waander L van Heerde; Chris M G Thomas; N M J van der Put; Wai Yee Wong; Régine P M Steegers-Theunissen
C677T methylenetetrahydrofolate reductase polymorphism interferes with the effects of folic acid and zinc sulfate on sperm concentration.
Fertility and sterility 2003;80(5):1190-4.
2003: Wai Yee Wong; Gerhard A Zielhuis; Chris M G Thomas; Hans M W M Merkus; Régine P M Steegers-Theunissen
New evidence of the influence of exogenous and endogenous factors on sperm count in man.
European journal of obstetrics, gynecology, and reproductive biology 2003;110(1):49-54.
2003: Sabina de Weerd; Régine P M Steegers-Theunissen; Theo M de Boo; Chris M G Thomas; Eric A P Steegers
Maternal periconceptional biochemical and hematological parameters, vitamin profiles and pregnancy outcome.
European journal of clinical nutrition 2003;57(9):1128-34.
2003: Paul Span; Peggy Manders; Joop J T M Heuvel; Chris M G Thomas; Remko R Bosch; Louk V A M Beex; C G J Sweep
Molecular beacon reverse transcription-PCR of human chorionic gonadotropin-beta-3, -5, and -8 mRNAs has prognostic value in breast cancer.
Clinical chemistry 2003;49(7):1074-80.
2003: R D L Hundscheid; Arie P T Smits; Chris M G Thomas; Lambertus A L M Kiemeney; D D M Braat
Female carriers of fragile X premutations have no increased risk for additional diseases other than premature ovarian failure.
American journal of medical genetics. Part A 2003;117A(1):6-9.
2003: Dieneke Z B van Asselt; Chris M G Thomas; Martin F G Segers; Henk J Blom; Ron A Wevers; Willibrord H L Hoefnagels
Cobalamin-binding proteins in normal and cobalamin-deficient older subjects.
Annals of clinical biochemistry 2003;40(Pt 1):65-9.
2002: Paul Span; Peggy Manders; Joop J T M Heuvel; Chris M G Thomas; Remko R Bosch; Louk V A M Beex; C G J Sweep
Expression of the transcription factor Ets-1 is an independent prognostic marker for relapse-free survival in breast cancer.
Oncogene 2002;21(55):8506-9.
2002: Sabina de Weerd; Chris M G Thomas; Josien E T G Kuster; Rolf J L M Cikot; Eric A P Steegers
Variation of serum and urine cotinine in passive and active smokers and applicability in preconceptional smoking cessation counseling.
Environmental research 2002;90(2):119-24.
2002: Eva Maria Roes; C G J Sweep; Chris M G Thomas; Petra L M Zusterzeel; Anneke Geurts-Moespot; Wilbert H M Peters; Eric A P Steegers
Levels of plasminogen activators and their inhibitors in maternal and umbilical cord plasma in severe preeclampsia.
American journal of obstetrics and gynecology 2002;187(4):1019-25.
2002: Paul Span; Chris M G Thomas; Joop J T M Heuvel; Remko R Bosch; J A Schalken; L vd Locht; E J B M Mensink; C G J Sweep
Analysis of expression of chorionic gonadotrophin transcripts in prostate cancer by quantitative Taqman and a modified molecular beacon RT-PCR.
The Journal of endocrinology 2002;172(3):489-95.
2002: Wai Yee Wong; Hans M W M Merkus; Chris M G Thomas; Roelof Menkveld; Gerhard A Zielhuis; Régine P M Steegers-Theunissen
Effects of folic acid and zinc sulfate on male factor subfertility: a double-blind, randomized, placebo-controlled trial.
Fertility and sterility 2002;77(3):491-8.
2002: Erik A Boss; L F A G Massuger; Chris M G Thomas; Anneke Geurts-Moespot; J H M van Schaik; Henk Boonstra; C G J Sweep
Clinical value of components of the plasminogen activation system in ovarian cyst fluid.
Anticancer research 2002;22(1A):275-82.
2002: Sabina de Weerd; Chris M G Thomas; Rolf J L M Cikot; Régine P M Steegers-Theunissen; Theo M de Boo; Eric A P Steegers
Preconception counseling improves folate status of women planning pregnancy.
Obstetrics and gynecology 2002;99(1):45-50.
2001: Sabina de Weerd; Chris M G Thomas; Rolf J L M Cikot; Eric A P Steegers
Maternal smoking cessation intervention: targeting women and their partners before pregnancy.
American journal of public health 2001;91(11):1733-4.
2001: Roelof Menkveld; Wai Yee Wong; Carl Lombard; Alex M M Wetzels; Chris M G Thomas; Hans M W M Merkus; Régine P M Steegers-Theunissen
Semen parameters, including WHO and strict criteria morphology, in a fertile and subfertile population: an effort towards standardization of in-vivo thresholds.
Human reproduction (Oxford, England) 2001;16(6):1165-71.
2001: Chris M G Thomas; C G J Sweep
Serum tumor markers: past, state of the art, and future.
The International journal of biological markers 2001;16(2):73-86.
2001: Wai Yee Wong; G Flik; Pascal M W Groenen; Dorine W Swinkels; Chris M G Thomas; J H Copius-Peereboom; Hans M W M Merkus; Régine P M Steegers-Theunissen
The impact of calcium, magnesium, zinc, and copper in blood and seminal plasma on semen parameters in men.
Reproductive toxicology (Elmsford, N.Y.) 2001;15(2):131-6.
2001: Lydia A Afman; N M J van der Put; Chris M G Thomas; J M F Trijbels; Henk J Blom
Reduced vitamin B12 binding by transcobalamin II increases the risk of neural tube defects.
QJM : monthly journal of the Association of Physicians 2001;94(3):159-66.
2001: R D L Hundscheid; D D M Braat; Lambertus A L M Kiemeney; Arie P T Smits; Chris M G Thomas
Increased serum FSH in female fragile X premutation carriers with either regular menstrual cycles or on oral contraceptives.
Human reproduction (Oxford, England) 2001;16(3):457-62.
2001: Erik A Boss; L F A G Massuger; Chris M G Thomas; Anneke Geurts-Moespot; Henk Boonstra; C G J Sweep
Vascular endothelial growth factor in ovarian cyst fluid.
Cancer 2001;91(2):371-7.
2001: Rolf J L M Cikot; Régine P M Steegers-Theunissen; Chris M G Thomas; Theo M de Boo; Hans M W M Merkus; Eric A P Steegers
Longitudinal vitamin and homocysteine levels in normal pregnancy.
The British journal of nutrition 2001;85(1):49-58.
2000: Ingeborg A Brouwer; Marijke Van Dusseldorp; Chris M G Thomas; N M J van der Put; Michael A Gaytant; Tom K A B Eskes; J G Hautvast; Régine P M Steegers-Theunissen
Homocysteine metabolism and effects of folic acid supplementation in patients affected with spina bifida.
Neuropediatrics 2000;31(6):298-302.
2000: Wai Yee Wong; Chris M G Thomas; Hans M W M Merkus; Gerhard A Zielhuis; W H Doesburg; Régine P M Steegers-Theunissen
Cigarette smoking and the risk of male factor subfertility: minor association between cotinine in seminal plasma and semen morphology.
Fertility and sterility 2000;74(5):930-5.
2000: Charlotte F J M Peeters; Chris M G Thomas; Fred C G J Sweep; Paul Span; Theo Wobbes; T M Ruers
Elevated serum endothelin-1 levels in patients with colorectal cancer; relevance for prognosis.
The International journal of biological markers 2000;15(4):288-93.
2000: M W Louwman; Marijke Van Dusseldorp; F J van de Vijver; Chris M G Thomas; Jörn Schneede; Per Magne Ueland; H Refsum; Wija A van Staveren
Signs of impaired cognitive function in adolescents with marginal cobalamin status.
The American journal of clinical nutrition 2000;72(3):762-9.
2000: W L D M Nelen; Henk J Blom; Eric A P Steegers; M den Heijer; Chris M G Thomas; Tom K A B Eskes
Homocysteine and folate levels as risk factors for recurrent early pregnancy loss.
Obstetrics and gynecology 2000;95(4):519-24.
2000: R D L Hundscheid; Erik A Sistermans; Chris M G Thomas; D D M Braat; huub straatman; Lambertus A L M Kiemeney; B A Oostra; Arie P T Smits
Imprinting effect in premature ovarian failure confined to paternally inherited fragile X premutations.
American journal of human genetics 2000;66(2):413-8.
2000: Ingeborg A Brouwer; Iris A L M van Rooij; Marijke Van Dusseldorp; Chris M G Thomas; Henk J Blom; Joseph G A J Hautvast; Tom K A B Eskes; Régine P M Steegers-Theunissen
Homocysteine-lowering effect of 500 microg folic acid every other day versus 250 microg/day.
Annals of nutrition & metabolism 2000;44(5-6):194-7.
2000: Jacqueline J M Castenmiller; C J van de Poll; Clive E West; Ingeborg A Brouwer; Chris M G Thomas; Marijke Van Dusseldorp
Bioavailability of folate from processed spinach in humans. Effect of food matrix and interaction with carotenoids.
Annals of nutrition & metabolism 2000;44(4):163-9.
1999: W Y Wong; Tom K A B Eskes; Anne Marie Kuijpers-Jagtman; P H Spauwen; Eric A P Steegers; Chris M G Thomas; B C Hamel; Henk J Blom; Régine P M Steegers-Theunissen
Nonsyndromic orofacial clefts: association with maternal hyperhomocysteinemia.
Teratology 1999;60(5):253-7.
1999: NP Koper; L F A G Massuger; Chris M G Thomas; C Beyer; M J Crooy
An illustration of the clinical relevance of detecting human antimouse antibody interference by affinity chromatography.
European journal of obstetrics, gynecology, and reproductive biology 1999;86(2):203-5.
1999: Ingeborg A Brouwer; Marijke Van Dusseldorp; M Duran; Chris M G Thomas; Joseph G A J Hautvast; Tom K A B Eskes; Régine P M Steegers-Theunissen
Low-dose folic acid supplementation does not influence plasma methionine concentrations in young non-pregnant women.
The British journal of nutrition 1999;82(2):85-9.
1999: Ingeborg A Brouwer; Marijke Van Dusseldorp; Clive E West; Saskia Meyboom; Chris M G Thomas; M Duran; KH Van Het Hof; Tom K A B Eskes; Joseph G A J Hautvast; Régine P M Steegers-Theunissen
Dietary folate from vegetables and citrus fruit decreases plasma homocysteine concentrations in humans in a dietary controlled trial.
The Journal of nutrition 1999;129(6):1135-9.
1999: Marijke Van Dusseldorp; Jörn Schneede; H Refsum; Per Magne Ueland; Chris M G Thomas; E de Boer; Wija A van Staveren
Risk of persistent cobalamin deficiency in adolescents fed a macrobiotic diet in early life.
The American journal of clinical nutrition 1999;69(4):664-71.
1999: Ingeborg A Brouwer; Marijke Van Dusseldorp; Chris M G Thomas; M Duran; Joseph G A J Hautvast; Tom K A B Eskes; Régine P M Steegers-Theunissen
Low-dose folic acid supplementation decreases plasma homocysteine concentrations: a randomized trial.
The American journal of clinical nutrition 1999;69(1):99-104.
1998: W L D M Nelen; Henk J Blom; Chris M G Thomas; Eric A P Steegers; G H Boers; Tom K A B Eskes
Methylenetetrahydrofolate reductase polymorphism affects the change in homocysteine and folate concentrations resulting from low dose folic acid supplementation in women with unexplained recurrent miscarriages.
The Journal of nutrition 1998;128(8):1336-41.
1998: NP Koper; L F A G Massuger; Chris M G Thomas; Lambertus A L M Kiemeney; André L M Verbeek
Serum CA 125 measurements to identify patients with endometrial cancer who require lymphadenectomy.
Anticancer research 1998;18(3B):1897-902.
1998: Martin den Heijer; Ingeborg A Brouwer; Gerard M J Bos; Henk J Blom; N M J van der Put; A P Spaans; Frits R Rosendaal; Chris M G Thomas; Hans L Haak; Pierre W Wijermans; Wim B J Gerrits
Vitamin supplementation reduces blood homocysteine levels: a controlled trial in patients with venous thrombosis and healthy volunteers.
Arteriosclerosis, thrombosis, and vascular biology 1998;18(3):356-61.
1998: NP Koper; Chris M G Thomas; L F A G Massuger; M F Segers; André J Olthaar; André L M Verbeek
Quantitation of IgG and IgM human anti-mouse antibodies (HAMA) interference in CA 125 measurements using affinity chromatography.
Clinical chemistry and laboratory medicine : CCLM / FESCC 1998;36(1):23-8.
1997: Ingrid J M Duijkers; WN Willemsen; HM Hollanders; CJ Hamilton; Chris M G Thomas; HM Vemer
Follicular fluid hormone concentrations after ovarian stimulation using gonadotropin preparations with different FSH/LH ratios. II. Comparison of hMG and recombinant FSH.
International journal of fertility and women's medicine 1997;42(6):431-5.
1997: Ingrid J M Duijkers; WN Willemsen; HM Hollanders; CJ Hamilton; Chris M G Thomas; HM Vemer
Follicular fluid hormone concentrations during controlled ovarian hyperstimulation using gonadotropin preparations with different FSH/LH ratios. I. Comparison of an FSH-dominant and a purified FSH preparation.
International journal of fertility and women's medicine 1997;42(6):426-30.
1997: JG Bisseling; Maarten F C M Knapen; HJ Goverde; Theo P J Mulder; Wilbert H M Peters; WN Willemsen; Chris M G Thomas; Eric A P Steegers
Glutathione S-transferases in human ovarian follicular fluid.
Fertility and sterility 1997;68(5):907-11.
1997: Ingrid J M Duijkers; WN Willemsen; HM Hollanders; CJ Hamilton; Chris M G Thomas; HM Vemer
Follicular fluid hormone concentrations after ovarian stimulation using gonadotropin preparations with different FSH/LH ratios. I. Comparison of an FSH-dominant and a purified FSH preparation.
International journal of fertility and women's medicine 1997;42(5):306-10.
1997: N M J van der Put; Chris M G Thomas; Tom K A B Eskes; Frans J M Trijbels; Régine P M Steegers-Theunissen; Edwin C M Mariman; A De Graaf-Hess; Jan A M Smeitink; Henk J Blom
Altered folate and vitamin B12 metabolism in families with spina bifida offspring.
QJM : monthly journal of the Association of Physicians 1997;90(8):505-10.
1997: NP Koper; Chris M G Thomas; L F A G Massuger; M F Segers; Lambertus A L M Kiemeney; André L M Verbeek
Comparison of four 'second generation' immunoassay systems to determine CA 125 in serum by using a graphical approach to method comparison analysis.
European journal of clinical chemistry and clinical biochemistry : journal of the Forum of European Clinical Chemistry Societies 1997;35(8):617-23.
1997: L F A G Massuger; NP Koper; Chris M G Thomas; K E Dom; C P T Schijf
Improvement of clinical staging in cervical cancer with serum squamous cell carcinoma antigen and CA 125 determinations.
Gynecologic oncology 1997;64(3):473-6.
1996: NP Koper; Lambertus A L M Kiemeney; L F A G Massuger; Chris M G Thomas; C P T Schijf; André L M Verbeek
Ovarian cancer incidence (1989-1991) and mortality (1954-1993) in The Netherlands.
Obstetrics and gynecology 1996;88(3):387-93.
1996: C M Coenen; Chris M G Thomas; G F Borm; hans hollanders; R Rolland
Changes in androgens during treatment with four low-dose contraceptives.
Contraception 1996;53(3):171-6.
1995: M G Wouters; M T Moorrees; Marius J van der Mooren; Henk J Blom; G H Boers; L A Schellekens; Chris M G Thomas; Tom K A B Eskes
Plasma homocysteine and menopausal status.
European journal of clinical investigation 1995;25(11):801-5.
1995: J G Tibben; Chris M G Thomas; L F A G Massuger; M F Segers; C P T Schijf; Frans H M Corstens; Otto Boerman
Humoral anti-OV-TL 3 response after the intravenous administration of radiolabelled Fab' or F(ab')2 fragments in ovarian cancer patients.
Nuclear medicine communications 1995;16(10):853-9.
1995: Ingrid J M Duijkers; H M Hollanders; WN Willemsen; Chris M G Thomas; G F Borm; HM Vemer
Hormonal serum profiles and follicular development after intramuscular and pulsatile intravenous administration of human menopausal gonadotrophin.
European journal of endocrinology / European Federation of Endocrine Societies 1995;133(1):57-64.
1995: Régine P M Steegers-Theunissen; G H Boers; Henk J Blom; Jan G Nijhuis; Chris M G Thomas; G F Borm; Tom K A B Eskes
Neural tube defects and elevated homocysteine levels in amniotic fluid.
American journal of obstetrics and gynecology 1995;172(5):1436-41.
1995: Chris M G Thomas; L F A G Massuger; M F Segers; C P T Schijf; W H Doesburg; T Wobbes
Analytical and clinical performance of improved Abbott IMx CA 125 assay: comparison with Abbott CA 125 RIA.
Clinical chemistry 1995;41(2):211-6.
1995: C M Coenen; Chris M G Thomas; G F Borm; R Rolland
Comparative evaluation of the androgenicity of four low-dose, fixed-combination oral contraceptives.
International journal of fertility and menopausal studies 1995;40 Suppl 2():92-7.
1994: Régine P M Steegers-Theunissen; G H Boers; Frans J M Trijbels; J D Finkelstein; Henk J Blom; Chris M G Thomas; G F Borm; M G Wouters; Tom K A B Eskes
Maternal hyperhomocysteinemia: a risk factor for neural-tube defects?
Metabolism: clinical and experimental 1994;43(12):1475-80.
1994: Jan A M Kremer; L A Schellekens; M F Segers; Chris M G Thomas; R Rolland
Circulating inhibin levels in lactating and nonlactating women.
Fertility and sterility 1994;62(6):1150-6.
1994: Régine P M Steegers-Theunissen; W O Renier; G F Borm; Chris M G Thomas; Hans M W M Merkus; D A Op de Coul; P A De Jong; H P van Geijn; M Wouters; Tom K A B Eskes
Factors influencing the risk of abnormal pregnancy outcome in epileptic women: a multi-centre prospective study.
Epilepsy research 1994;18(3):261-9.
1993: Marius J van der Mooren; P N Demacker; Chris M G Thomas; G F Borm; R Rolland
A 2-year study on the beneficial effects of 17 beta-oestradiol-dydrogesterone therapy on serum lipoproteins and Lp(a) in postmenopausal women: no additional unfavourable effects of dydrogesterone.
European journal of obstetrics, gynecology, and reproductive biology 1993;52(2):117-23.
1993: Régine P M Steegers-Theunissen; Eric A P Steegers; Chris M G Thomas; H M Hollanders; J H Peereboom-Stegeman; Frans J M Trijbels; Tom K A B Eskes
Study on the presence of homocysteine in ovarian follicular fluid.
Fertility and sterility 1993;60(6):1006-10.
1993: M G Wouters; G H Boers; Henk J Blom; Frans J M Trijbels; Chris M G Thomas; G F Borm; Régine P M Steegers-Theunissen; Tom K A B Eskes
Hyperhomocysteinemia: a risk factor in women with unexplained recurrent early pregnancy loss.
Fertility and sterility 1993;60(5):820-5.
1993: Chris M G Thomas; R J van den Berg; M F Segers; M L Bartelink; T Thien
Inaccurate measurement of 17 beta-estradiol in serum of female volunteers after oral administration of milligram amounts of micronized 17 beta-estradiol.
Clinical chemistry 1993;39(11 Pt 1):2341-2.
1993: Ingrid J M Duijkers; HM Vemer; hans hollanders; WN Willemsen; L A Bastiaans; C J Hamilton; Chris M G Thomas; G F Borm
Different follicle stimulating hormone/luteinizing hormone ratios for ovarian stimulation.
Human reproduction (Oxford, England) 1993;8(9):1387-91.
1993: C P T Schijf; Marius J van der Mooren; W H Doesburg; Chris M G Thomas; R Rolland
Differences in serum lipids, lipoproteins, sex hormone binding globulin and testosterone between the follicular and the luteal phase of the menstrual cycle.
Acta endocrinologica 1993;129(2):130-3.
1993: K A Yedema; René H M Verheijen; Peter Kenemans; C P T Schijf; G F Borm; M F Segers; Chris M G Thomas
Identification of patients with persistent trophoblastic disease by means of a normal human chorionic gonadotropin regression curve.
American journal of obstetrics and gynecology 1993;168(3 Pt 1):787-92.
1993: P N Mooij; Régine P M Steegers-Theunissen; Chris M G Thomas; W H Doesburg; Tom K A B Eskes
Periconceptional vitamin profiles are not suitable for identifying women at risk for neural tube defects.
The Journal of nutrition 1993;123(2):197-203.
1993: C A Yedema; Peter Kenemans; Chris M G Thomas; L F A G Massuger; T Wobbes; Rob A Verstraeten; Gerard J van Kamp; JH Hilgers
CA 125 serum levels in the early post-operative period do not reflect tumour reduction obtained by cytoreductive surgery.
European journal of cancer (Oxford, England : 1990) 1993;29A(7):966-71.
1993: P N Mooij; Chris M G Thomas; W H Doesburg; Tom K A B Eskes
The effects of periconceptional folic acid and vitamin supplementation on maternal folate levels and on neurulating hamster embryos in vivo.
International journal for vitamin and nutrition research. Internationale Zeitschrift für Vitamin- und Ernährungsforschung. Journal international de vitaminologie et de nutrition 1993;63(3):212-6.
1993: Régine P M Steegers-Theunissen; J M Van Rossum; Eric A P Steegers; Chris M G Thomas; Tom K A B Eskes
Sub-50 oral contraceptives affect folate kinetics.
Gynecologic and obstetric investigation 1993;36(4):230-3.
1992: K A Yedema; Chris M G Thomas; M F Segers; W H Doesburg; Peter Kenemans
Comparison of five immunoassay procedures for the ovarian carcinoma-associated antigenic determinant CA 125 in serum.
European journal of obstetrics, gynecology, and reproductive biology 1992;47(3):245-52.
1992: Marius J van der Mooren; P N Demacker; Chris M G Thomas; R Rolland
Beneficial effects on serum lipoproteins by 17 beta-oestradiol-dydrogesterone therapy in postmenopausal women; a prospective study.
European journal of obstetrics, gynecology, and reproductive biology 1992;47(2):153-60.
1992: L F A G Massuger; Chris M G Thomas; M F Segers; Frans H M Corstens; René H M Verheijen; Peter Kenemans; Lambert G Poels
Specific and nonspecific immunoassays to detect HAMA after administration of indium-111-labeled OV-TL 3 F(ab')2 monoclonal antibody to patients with ovarian cancer.
Journal of nuclear medicine : official publication, Society of Nuclear Medicine 1992;33(11):1958-63.
1992: Yvonne van der Schouw; André L M Verbeek; T Wobbes; M F Segers; Chris M G Thomas
Comparison of four serum tumour markers in the diagnosis of colorectal carcinoma.
British journal of cancer 1992;66(1):148-54.
1992: P N Mooij; Chris M G Thomas; W H Doesburg; Tom K A B Eskes
The effects of oral contraceptives and multivitamin supplementation on serum ferritin and hematological parameters.
International journal of clinical pharmacology, therapy, and toxicology 1992;30(2):57-62.
1992: Régine P M Steegers-Theunissen; G H Boers; Eric A P Steegers; Frans J M Trijbels; Chris M G Thomas; Tom K A B Eskes
Effects of sub-50 oral contraceptives on homocysteine metabolism: a preliminary study.
Contraception 1992;45(2):129-39.
1992: P N Mooij; M G Wouters; Chris M G Thomas; W H Doesburg; Tom K A B Eskes
Disturbed reproductive performance in extreme folic acid deficient golden hamsters.
European journal of obstetrics, gynecology, and reproductive biology 1992;43(1):71-5.
1992: C A Yedema; Peter Kenemans; T Wobbes; Chris M G Thomas; GG Bon; C Mulder; F J Voorhorst; AA Verstraeten; Gerard J van Kamp; JH Hilgers
Use of serum tumor markers in the differential diagnosis between ovarian and colorectal adenocarcinomas.
Tumour biology : the journal of the International Society for Oncodevelopmental Biology and Medicine 1992;13(1-2):18-26.
1991: R F Kruitwagen; Lambert G Poels; WN Willemsen; PH Jap; Chris M G Thomas; R Rolland
Retrograde seeding of endometrial epithelial cells by uterine-tubal flushing.
Fertility and sterility 1991;56(3):414-20.
1991: P N Mooij; Chris M G Thomas; W H Doesburg; Tom K A B Eskes
Multivitamin supplementation in oral contraceptive users.
Contraception 1991;44(3):277-88.
1991: R F Kruitwagen; R J van den Berg; M F Segers; Lambert G Poels; WN Willemsen; R Rolland; Chris M G Thomas
Quantification of CA 125 in peritoneal fluid: inhibition of the CA 125 response in the one-step immunoradiometric assay and establishment of a two-step assay format.
Clinical chemistry 1991;37(5):760-1.
1991: Jan A M Kremer; G Borm; L A Schellekens; Chris M G Thomas; R Rolland
Pulsatile secretion of luteinizing hormone and prolactin in lactating and nonlactating women and the response to naltrexone.
The Journal of clinical endocrinology and metabolism 1991;72(2):294-300.
1991: P R Hein; J S Schatorjé; H J Frencken; M F Segers; Chris M G Thomas
The effect of chronic oral methadone treatment on monkey chorionic gonadotropin, estradiol, dehydroepiandrosterone sulfate, progesterone, prolactin and cortisol levels during pregnancy in the cynomolgus monkey (Macaca fascicularis).
European journal of obstetrics, gynecology, and reproductive biology 1991;38(2):145-50.
1991: K A Yedema; Peter Kenemans; T Wobbes; Gerard J van Kamp; H W de Bruijn; Chris M G Thomas; L F A G Massuger; C P T Schijf; GG Bon; Jan B Vermorken
Carcinoma-associated mucin serum markers CA M26 and CA M29: efficacy in detecting and monitoring patients with cancer of the breast, colon, ovary, endometrium and cervix.
International journal of cancer. Journal international du cancer 1991;47(2):170-9.
1990: Chris M G Thomas; R J van den Berg; M F Segers; L M Geelen; J M Hollanders; W H Doesburg; P C Houx
Time-resolved fluoroimmunoassay for unconjugated estrogen in urine: comparison with a fluorometric assay for total estrogen and application in an in vitro fertilization program.
Clinical chemistry 1990;36(10):1774-8.
1990: Régine P M Steegers-Theunissen; Eric A P Steegers; R de Boer; Chris M G Thomas; M D Kloosterman; Tom K A B Eskes
Elevated folate levels in amniotic fluid after oral supplementation.
European journal of obstetrics, gynecology, and reproductive biology 1990;36(3):283-91.
1990: Otto Boerman; M F Segers; Lambert G Poels; Peter Kenemans; Chris M G Thomas
Heterophilic antibodies in human sera causing falsely increased results in the CA 125 immunofluorometric assay.
Clinical chemistry 1990;36(6):888-91.
1990: Jan A M Kremer; P F van der Heijden; L A Schellekens; Chris M G Thomas; J Brownell; R Rolland
Postpartum return of pituitary and ovarian activity during lactation inhibition with the new dopamine agonist CV 205-502 and during normal lactation.
Acta endocrinologica 1990;122(6):759-65.
1990: R P Crooijmans; J H Schwachöfer; J Hoogenhout; Gerard F M Merkx; Lambert G Poels; PH Jap; Frans C S Ramaekers; E P Mijnheere; D Elprana; Chris M G Thomas
Cell lines of human oral squamous-cell carcinomas retaining their differentiated phenotype.
International journal of cancer. Journal international du cancer 1990;45(5):945-51.
1990: R J van den Berg; M F Segers; Chris M G Thomas
The stratus automated immunofluorometric assay system: a modification for measuring urinary human choriogonadotropin.
Clinical chemistry 1990;36(4):697.
1990: Otto Boerman; W K Makkink; Chris M G Thomas; A G J M Hanselaar; C A Yedema; Peter Kenemans; Lambert G Poels
Monoclonal antibodies that discriminate between human ovarian carcinomas and benign ovarian tumours.
European journal of cancer (Oxford, England : 1990) 1990;26(2):117-27.
1989: Chris M G Thomas; M F Segers
Quantification of choriogonadotropin: differential cross-reactivities of the free hCG beta-subunit with eight different monoclonal antibody-based hCG and (hCG + beta) "sandwich"-type assays.
Clinical chemistry 1989;35(8):1791-2.
1989: C C van Niekerk; PH Jap; Chris M G Thomas; Dominique Smeets; Frans C S Ramaekers; Lambert G Poels
Marker profile of mesothelial cells versus ovarian carcinoma cells.
International journal of cancer. Journal international du cancer 1989;43(6):1065-71.
1989: Jan A M Kremer; R Rolland; P F van der Heijden; Chris M G Thomas; I Lancranjan
Return of gonadotropic function in postpartum women during bromocriptine treatment.
Fertility and sterility 1989;51(4):622-7.
1989: Lambert G Poels; PH Jap; F F Ramaekers; J M J C Scheres; Chris M G Thomas; P G Vooijs; Huib Croes; G Mungyer
Characterization of a hormone-producing ovarian carcinoma cell line.
Gynecologic oncology 1989;32(2):203-14.
1989: P R Hein; J S Schatorjé; H J Frencken; M F Segers; Chris M G Thomas
Serum hormone levels in pregnant cynomolgus monkeys.
Journal of medical primatology 1989;18(2):133-42.
1988: Peter Kenemans; C A Yedema; JH Hilgers; L F A G Massuger; René H M Verheijen; Chris M G Thomas; Lambert G Poels
Clinical applications of monoclonal antibodies against ovarian cancer-associated antigens.
European journal of obstetrics, gynecology, and reproductive biology 1988;29(3):207-18.
1988: P F van der Heijden; R Rolland; Chris M G Thomas; J Brownell
Endocrine effects of CV 205-502, a new dopamine agonist, in hyperprolactinemic women.
Gynecological endocrinology : the official journal of the International Society of Gynecological Endocrinology 1988;2(3):233-48.
1988: C C van Niekerk; Lambert G Poels; PH Jap; Dominique Smeets; Chris M G Thomas; Frans C S Ramaekers; G Peter Vooijs
Characterization of a human ovarian carcinoma cell line, OTN 14, derived from a mucinous cystadenocarcinoma.
International journal of cancer. Journal international du cancer 1988;42(1):104-11.
1988: Chris M G Thomas; M F Segers
Measurement of serum human lutropin (hLH): hCG-interference evaluated for two hLH-specific IRMA kits.
Clinical chemistry 1988;34(4):768.
1987: Chris M G Thomas; R J van den Berg
Precision of assays for sex-hormone-binding globulin: an I-IRMA kit and two Eu-IFMA kits compared.
Clinical chemistry 1987;33(11):2120.
1987: Chris M G Thomas; R J van den Berg; M F Segers
Measurement of serum estradiol: comparison of three "direct" radioimmunoassays and effects of organic solvent extraction.
Clinical chemistry 1987;33(10):1946-7.
1986: Chris M G Thomas; M F Segers; A M Leloux; P C Houx
Comparison of the analytical characteristics of ten urinary hCG tests for early pregnancy diagnosis.
Annals of clinical biochemistry 1986;23 ( Pt 2)():216-22.
1985: Chris M G Thomas; M F Segers; P C Houx
Comparison of the analytical characteristics and clinical usefulness in tumour monitoring of fifteen hCG(-beta) immunoassay kits.
Annals of clinical biochemistry 1985;22 ( Pt 3)():236-46.