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Paul Knipschild

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Ans Bouman; Erik van Rossum; Silvia Evers; Ton Ambergen; Gertrudis I J M Kempen; Paul Knipschild
Effects on health care use and associated cost of a home visiting program for older people with poor health status: a randomized clinical trial in the Netherlands.
Ans Bouman; Erik van Rossum; Ton Ambergen; Gertrudis I J M Kempen; Paul Knipschild
Effects of a home visiting program for older people with poor health status: a randomized, clinical trial in The Netherlands.
Ans Bouman; Erik van Rossum; Patricia J Nelemans; Gertrudis I J M Kempen; Paul Knipschild
Effects of intensive home visiting programs for older people with poor health status: a systematic review.

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All Publications

2008: Ans Bouman; Erik van Rossum; Silvia Evers; Ton Ambergen; Gertrudis I J M Kempen; Paul Knipschild
Effects on health care use and associated cost of a home visiting program for older people with poor health status: a randomized clinical trial in the Netherlands.
The journals of gerontology. Series A, Biological sciences and medical sciences 2008;63(3):291-7.
2008: Ans Bouman; Erik van Rossum; Ton Ambergen; Gertrudis I J M Kempen; Paul Knipschild
Effects of a home visiting program for older people with poor health status: a randomized, clinical trial in The Netherlands.
Journal of the American Geriatrics Society 2008;56(3):397-404.
2008: Ans Bouman; Erik van Rossum; Patricia J Nelemans; Gertrudis I J M Kempen; Paul Knipschild
Effects of intensive home visiting programs for older people with poor health status: a systematic review.
BMC health services research 2008;8():74.
2007: Ans Nicolaides-Bouman; Erik van Rossum; Herbert Habets; Gertrudis I J M Kempen; Paul Knipschild
Home visiting programme for older people with health problems: process evaluation.
Journal of advanced nursing 2007;58(5):425-35.
2006: Mark G Spigt; Onno C P van Schayck; Paul Knipschild; Klaas R Westerterp; Cees van de Beek; Philip van Kerrebroeck; J J M Pel; Ron van Mastrigt; André Knottnerus
Is it possible to improve elderly male bladder function by having them drink more water? A randomized trial of effects of increased fluid intake/urine output on male lower urinary tract function.
Urology 2006;68(5):1031-6.
2005: Edwin J Wagena; Paul Knipschild; M J H Huibers; Emiel F M Wouters; Constant P van Schayck
Efficacy of bupropion and nortriptyline for smoking cessation among people at risk for or with chronic obstructive pulmonary disease.
Archives of internal medicine 2005;165(19):2286-92.
2005: Edwin J Wagena; Paul Knipschild
The need for clinical trials registers: a case study in the field of addiction.
Addiction (Abingdon, England) 2005;100(10):1392-3.
2005: Mark G Spigt; E C Kuijper; CP Schayck; Jaap Troost; Paul Knipschild; V M Linssen; J André Knottnerus
Increasing the daily water intake for the prophylactic treatment of headache: a pilot trial.
European journal of neurology : the official journal of the European Federation of Neurological Societies 2005;12(9):715-8.
2005: Paul Knipschild; Arnoud Arntz
Pain patients in a randomized trial did not show a significant effect of a positive consultation.
Journal of clinical epidemiology 2005;58(7):708-13.
2005: Edwin J Wagena; Paul Knipschild
Do drug firms hoodwink medical journals? Or is something wrong with the contribution and integrity of declared authors?
Journal of medical ethics 2005;31(5):307.
2005: Mark G Spigt; Paul Knipschild; Constant P van Schayck; J André Knottnerus
The validity and ethics of giving placebo in a randomized nonpharmacologic trial was evaluated.
Journal of clinical epidemiology 2005;58(4):350-6.
2005: Edwin J Wagena; Paul Knipschild; Maurice Zeegers
Should nortriptyline be used as a first-line aid to help smokers quit? Results from a systematic review and meta-analysis.
Addiction (Abingdon, England) 2005;100(3):317-26.
2004: Ans Nicolaides-Bouman; Erik van Rossum; Gertrudis I J M Kempen; Paul Knipschild
Effects of home visits by home nurses to elderly people with health problems: design of a randomised clinical trial in the Netherlands [ISRCTN92017183].
BMC health services research 2004;4(1):35.
2003: M J H Huibers; Paul Knipschild
Overview of the methodological considerations for conducting psychotherapy trials in primary care.
Psychological medicine 2003;33(6):1135-6; author reply 1136-7.
2003: Martien van Dongen; Erik van Rossum; Alfons G H Kessels; Hilde Sielhorst; Paul Knipschild
Ginkgo for elderly people with dementia and age-associated memory impairment: a randomized clinical trial.
Journal of clinical epidemiology 2003;56(4):367-76.
2003: Christoph Grüber; Annette Riesberg; Ulrich Mansmann; Paul Knipschild; Ulrich Wahn; Malte Bühring
The effect of hydrotherapy on the incidence of common cold episodes in children: a randomised clinical trial.
European journal of pediatrics 2003;162(3):168-76.
2002: Paul Knipschild
The false positive therapeutic trial.
Journal of clinical epidemiology 2002;55(12):1191-5.
2002: Inez E N G Bandell-Hoekstra; Huda Huijer Abu-Saad; Jan Passchier; Carla M A Frederiks; Frans Feron; Paul Knipschild
Coping and Quality of Life in relation to headache in Dutch schoolchildren.
European journal of pain (London, England) 2002;6(4):315-21.
2001: Inez E N G Bandell-Hoekstra; Huda Huijer Abu-Saad; Jan Passchier; Carla M A Frederiks; Frans Feron; Paul Knipschild
Prevalence and characteristics of headache in Dutch schoolchildren.
European journal of pain (London, England) 2001;5(2):145-53.
2000: Paul Knipschild
Alternative treatments: do they work?
Lancet 2000;356 Suppl():s4.
2000: Martien van Dongen; Erik van Rossum; Alfons G H Kessels; Hilde Sielhorst; Paul Knipschild
The efficacy of ginkgo for elderly people with dementia and age-associated memory impairment: new results of a randomized clinical trial.
Journal of the American Geriatrics Society 2000;48(10):1183-94.
2000: Paul Knipschild
[Roaming through methodology. XXIII. The need for randomization and blinding in therapeutic investigations].
Nederlands tijdschrift voor geneeskunde 2000;144(38):1826-8.
2000: Inez E N G Bandell-Hoekstra; Huda Huijer Abu-Saad; Jan Passchier; Paul Knipschild
Recurrent headache, coping, and quality of life in children: a review.
Headache 2000;40(5):357-70.
2000: Arianne P Verhagen; H C de Vet; Rob A de Bie; A G Kessels; M Boers; Paul Knipschild
Balneotherapy for rheumatoid arthritis and osteoarthritis.
Cochrane database of systematic reviews (Online) 2000;(2):CD000518.
2000: Carel Thijs; Paul Knipschild; N Kraag
Food intolerance and gallstones: erratum and update of a meta-analysis.
Scandinavian journal of gastroenterology 2000;35(1):110-1.
1999: Geert J M G Van Der Heijden; P Leffers; P J Wolters; J J Verheijden; H van Mameren; J P Houben; L M Bouter; Paul Knipschild
No effect of bipolar interferential electrotherapy and pulsed ultrasound for soft tissue shoulder disorders: a randomised controlled trial.
Annals of the rheumatic diseases 1999;58(9):530-40.
1999: A J H M Beurskens; Henrica C W de Vet; Albère J A Köke; E Lindeman; Geert J M G Van Der Heijden; W Regtop; Paul Knipschild
A patient-specific approach for measuring functional status in low back pain.
Journal of manipulative and physiological therapeutics 1999;22(3):144-8.
1998: Arianne P Verhagen; Henrica C W de Vet; Rob A de Bie; Alfons G H Kessels; Maarten Boers; Lex M Bouter; Paul Knipschild
The Delphi list: a criteria list for quality assessment of randomized clinical trials for conducting systematic reviews developed by Delphi consensus.
Journal of clinical epidemiology 1998;51(12):1235-41.
1998: Rob A de Bie; Henrica C W de Vet; Ton Lenssen; Frans A J M Van Den Wildenberg; G Kootstra; Paul Knipschild
Low-level laser therapy in ankle sprains: a randomized clinical trial.
Archives of physical medicine and rehabilitation 1998;79(11):1415-20.
1998: Paul Knipschild; R Hoerr; R Oschmann; Erik van Rossum; Martien van Dongen
Optimization of placebos for double-blind clinical trials. Experience with a phytopharmaceutical.
Arzneimittel-Forschung 1998;48(10):1033-6.
1998: Carel Thijs; Paul Knipschild
Abdominal symptoms and food intolerance related to gallstones.
Journal of clinical gastroenterology 1998;27(3):223-31.
1998: Gerben ter Riet; A G Kessels; Paul Knipschild
Problems in the conduct of a randomised clinical trial.
Journal of wound care 1998;7(5):259-62.
1998: Arianne P Verhagen; Henrica C W de Vet; Rob A de Bie; Alfons G H Kessels; Maarten Boers; Paul Knipschild
Balneotherapy and quality assessment: interobserver reliability of the Maastricht criteria list and the need for blinded quality assessment.
Journal of clinical epidemiology 1998;51(4):335-41.
1997: A J H M Beurskens; Henrica C W de Vet; Albère J A Köke; W Regtop; Geert J M G Van Der Heijden; E Lindeman; Paul Knipschild
Efficacy of traction for nonspecific low back pain. 12-week and 6-month results of a randomized clinical trial.
Spine 1997;22(23):2756-62.
1997: Arianne P Verhagen; Henrica C W de Vet; Rob A de Bie; Alfons G H Kessels; Maarten Boers; Paul Knipschild
Taking baths: the efficacy of balneotherapy in patients with arthritis. A systematic review.
The Journal of rheumatology 1997;24(10):1964-71.
1997: Rob A de Bie; Henrica C W de Vet; Frans A J M Van Den Wildenberg; Ton Lenssen; Paul Knipschild
The prognosis of ankle sprains.
International journal of sports medicine 1997;18(4):285-9.
1996: Gerben ter Riet; Alfons G H Kessels; Paul Knipschild
A randomized clinical trial of ultrasound in the treatment of pressure ulcers.
Physical therapy 1996;76(12):1301-11.
1996: W J Assendelft; L M Bouter; Paul Knipschild
Complications of spinal manipulation: a comprehensive review of the literature.
The Journal of family practice 1996;42(5):475-80.
1995: W J Assendelft; Bart Koes; Paul Knipschild; L M Bouter
The relationship between methodological quality and conclusions in reviews of spinal manipulation.
JAMA : the journal of the American Medical Association 1995;274(24):1942-8.
1995: A J H M Beurskens; Henrica C W de Vet; Albère J A Köke; E Lindeman; W Regtop; Geert J M G Van Der Heijden; Paul Knipschild
Efficacy of traction for non-specific low back pain: a randomised clinical trial.
Lancet 1995;346(8990):1596-600.
1995: Gerben ter Riet; Alfons G H Kessels; Paul Knipschild
Randomized clinical trial of ascorbic acid in the treatment of pressure ulcers.
Journal of clinical epidemiology 1995;48(12):1453-60.
1995: N Kraag; Carel Thijs; Paul Knipschild
Dyspepsia--how noisy are gallstones? A meta-analysis of epidemiologic studies of biliary pain, dyspeptic symptoms, and food intolerance.
Scandinavian journal of gastroenterology 1995;30(5):411-21.
1995: A J H M Beurskens; Henrica C W de Vet; Albère J A Köke; Geert J M G Van Der Heijden; Paul Knipschild
Measuring the functional status of patients with low back pain. Assessment of the quality of four disease-specific questionnaires.
Spine 1995;20(9):1017-28.
1995: Carel Thijs; P Leffers; Paul Knipschild
Alcohol drinking and gallstone disease.
Epidemiology (Cambridge, Mass.) 1995;6(3):338-9.
1995: Gerben ter Riet; Alfons G H Kessels; Paul Knipschild
Randomised clinical trial of ultrasound treatment for pressure ulcers.
BMJ (Clinical research ed.) 1995;310(6986):1040-1.
1995: A J H M Beurskens; Geert J M G Van Der Heijden; Henrica C W de Vet; Albère J A Köke; E Lindeman; W Regtop; Paul Knipschild
The efficacy of traction for lumbar back pain: design of a randomized clinical trial.
Journal of manipulative and physiological therapeutics 1995;18(3):141-7.
1994: Henrica C W de Vet; Ferd Sturmans; Paul Knipschild
The role of cigarette smoking in the etiology of cervical dysplasia.
Epidemiology (Cambridge, Mass.) 1994;5(6):631-3.
1994: Carel Thijs; Paul Knipschild; P Leffers
Risk factors for symptomatic gall bladder disease.
Gut 1994;35(10):1506.
1994: Paul Knipschild
Systematic reviews. Some examples.
BMJ (Clinical research ed.) 1994;309(6956):719-21.
1993: Carel Thijs; P Leffers; Paul Knipschild
Control of confounding requires specification of risk periods.
Epidemiology (Cambridge, Mass.) 1993;4(6):556-7.
1993: Henrica C W de Vet; Paul Knipschild; Ferd Sturmans
The role of sexual factors in the aetiology of cervical dysplasia.
International journal of epidemiology 1993;22(5):798-803.
1993: Carel Thijs; Paul Knipschild
Oral contraceptives and the risk of gallbladder disease: a meta-analysis.
American journal of public health 1993;83(8):1113-20.
1993: Henrica C W de Vet; Alfons G H Kessels; P Leffers; Paul Knipschild
A randomized trial about the perceived informativeness of new empirical evidence. Does beta-carotene prevent (cervical) cancer?
Journal of clinical epidemiology 1993;46(6):509-17.
1993: Bart Koes; L M Bouter; H van Mameren; A H Essers; G J Verstegen; D M Hofhuizen; J P Houben; Paul Knipschild
A randomized clinical trial of manual therapy and physiotherapy for persistent back and neck complaints: subgroup analysis and relationship between outcome measures.
Journal of manipulative and physiological therapeutics 1993;16(4):211-9.
1993: Paul Knipschild
Searching for alternatives: loser pays.
Lancet 1993;341(8853):1135-6.
1993: Carel Thijs; P Leffers; Paul Knipschild
Oral contraceptive use and the occurrence of gallstone disease--a case-control study.
Preventive medicine 1993;22(1):122-31.
1992: Jos Kleijnen; Paul Knipschild
Ginkgo biloba.
Lancet 1992;340(8828):1136-9.
1992: Jos Kleijnen; Paul Knipschild
The comprehensiveness of Medline and Embase computer searches. Searches for controlled trials of homoeopathy, ascorbic acid for common cold and ginkgo biloba for cerebral insufficiency and intermittent claudication.
Pharmaceutisch weekblad. Scientific edition 1992;14(5):316-20.
1992: Jos Kleijnen; Paul Knipschild
Ginkgo biloba for cerebral insufficiency.
British journal of clinical pharmacology 1992;34(4):352-8.
1992: Gerben ter Riet; H Van Houtem; Paul Knipschild
Health-care professionals' views of the effectiveness of pressure ulcer treatments. A survey among nursing-home physicians, dermatologists and nursing staff in The Netherlands.
Clinical and experimental dermatology 1992;17(5):328-31.
1992: Henrica C W de Vet; Paul Knipschild; H J Schouten; J Koudstaal; W S Kwee; D Willebrand; Ferd Sturmans; J W Arends
Sources of interobserver variation in histopathological grading of cervical dysplasia.
Journal of clinical epidemiology 1992;45(7):785-90.
1992: Jos Kleijnen; Paul Knipschild
Review articles and publication bias.
Arzneimittel-Forschung 1992;42(5):587-91.
1992: Bart Koes; L M Bouter; H van Mameren; A H Essers; G M Verstegen; D M Hofhuizen; J P Houben; Paul Knipschild
Randomised clinical trial of manipulative therapy and physiotherapy for persistent back and neck complaints: results of one year follow up.
BMJ (Clinical research ed.) 1992;304(6827):601-5.
1992: Carel Thijs; Paul Knipschild; P Leffers
Is gallstone disease caused by obesity or by dieting?
American journal of epidemiology 1992;135(3):274-80.
1992: Bart Koes; L M Bouter; H van Mameren; A H Essers; G M Verstegen; D M Hofhuizen; J P Houben; Paul Knipschild
The effectiveness of manual therapy, physiotherapy, and treatment by the general practitioner for nonspecific back and neck complaints. A randomized clinical trial.
Spine 1992;17(1):28-35.
1992: Bart Koes; L M Bouter; H van Mameren; A H Essers; G M Verstegen; D M Hofhuizen; J P Houben; Paul Knipschild
A blinded randomized clinical trial of manual therapy and physiotherapy for chronic back and neck complaints: physical outcome measures.
Journal of manipulative and physiological therapeutics 1992;15(1):16-23.
1991: Bart Koes; W J Assendelft; Geert J M G Van Der Heijden; L M Bouter; Paul Knipschild
Spinal manipulation and mobilisation for back and neck pain: a blinded review.
BMJ (Clinical research ed.) 1991;303(6813):1298-303.
1991: Jos Kleijnen; Gerben ter Riet; Paul Knipschild
Acupuncture and asthma: a review of controlled trials.
Thorax 1991;46(11):799-802.
1991: Bart Koes; L Bouter; H Beckerman; Geert J M G Van Der Heijden; Paul Knipschild
Physiotherapy exercises and back pain.
BMJ (Clinical research ed.) 1991;303(6806):853.
1991: Henrica C W de Vet; Paul Knipschild; M E Grol; H J Schouten; Ferd Sturmans
The role of beta-carotene and other dietary factors in the aetiology of cervical dysplasia: results of a case-control study.
International journal of epidemiology 1991;20(3):603-10.
1991: Carel Thijs; Paul Knipschild; P Leffers
Pregnancy and gallstone disease: an empiric demonstration of the importance of specification of risk periods.
American journal of epidemiology 1991;134(2):186-95.
1991: Bart Koes; L M Bouter; H Beckerman; Geert J M G Van Der Heijden; Paul Knipschild
Physiotherapy exercises and back pain: a blinded review.
BMJ (Clinical research ed.) 1991;302(6792):1572-6.
1991: Jos Kleijnen; Paul Knipschild
Niacin and vitamin B6 in mental functioning: a review of controlled trials in humans.
Biological psychiatry 1991;29(9):931-41.
1991: Jos Kleijnen; Paul Knipschild; Gerben ter Riet
Trials of homeopathy.
BMJ (Clinical research ed.) 1991;302(6782):960.
1991: Jos Kleijnen; Paul Knipschild; Gerben ter Riet
Clinical trials of homoeopathy.
BMJ (Clinical research ed.) 1991;302(6772):316-23.
1991: Paul Knipschild; P Leffers; A R Feinstein
The qualification period.
Journal of clinical epidemiology 1991;44(6):461-4.
1991: Alfons G H Kessels; R L Cardynaals; R L Borger; M J Go; J C Lambers; J A Knottnerus; Paul Knipschild
The effectiveness of the hair-restorer "Dabao" in males with alopecia androgenetica. A clinical experiment.
Journal of clinical epidemiology 1991;44(4-5):439-47.
1991: Henrica C W de Vet; Paul Knipschild; D Willebrand; H J Schouten; Ferd Sturmans
The effect of beta-carotene on the regression and progression of cervical dysplasia: a clinical experiment.
Journal of clinical epidemiology 1991;44(3):273-83.
1991: Carel Thijs; Paul Knipschild; P Leffers
Does alcohol protect against the formation of gallstones? A demonstration of protopathic bias.
Journal of clinical epidemiology 1991;44(9):941-6.
1990: Carel Thijs; Paul Knipschild; P Brombacher
Serum lipids and gallstones: a case-control study.
Gastroenterology 1990;99(3):843-9.
1990: Carel Thijs; Paul Knipschild
Legume intake and gallstone risk: results from a case-control study.
International journal of epidemiology 1990;19(3):660-3.
1990: Jos Kleijnen; Gerben ter Riet; Paul Knipschild
Vitamin B6 in the treatment of the premenstrual syndrome--a review.
British journal of obstetrics and gynaecology 1990;97(9):847-52.
1990: Gerben ter Riet; Jos Kleijnen; Paul Knipschild
A meta-analysis of studies into the effect of acupuncture on addiction.
The British journal of general practice : the journal of the Royal College of General Practitioners 1990;40(338):379-82.
1990: Carel Thijs; Paul Knipschild; J van Engelshoven
The prevalence of gallstone disease in a Dutch population.
Scandinavian journal of gastroenterology 1990;25(2):155-60.
1990: Henrica C W de Vet; Paul Knipschild; H J Schouten; J Koudstaal; W S Kwee; D Willebrand; Ferd Sturmans; J W Arends
Interobserver variation in histopathological grading of cervical dysplasia.
Journal of clinical epidemiology 1990;43(12):1395-8.
1990: Paul Knipschild; Jos Kleijnen; Gerben ter Riet
Belief in the efficacy of alternative medicine among general practitioners in The Netherlands.
Social science & medicine (1982) 1990;31(5):625-6.
1990: Gerben ter Riet; Jos Kleijnen; Paul Knipschild
Acupuncture and chronic pain: a criteria-based meta-analysis.
Journal of clinical epidemiology 1990;43(11):1191-9.
1989: Jos Kleijnen; Paul Knipschild; Gerben ter Riet
Garlic, onions and cardiovascular risk factors. A review of the evidence from human experiments with emphasis on commercially available preparations.
British journal of clinical pharmacology 1989;28(5):535-44.
1989: Paul Knipschild
Changing belief in iridology after an empirical study.
BMJ (Clinical research ed.) 1989;299(6697):491-2.
1989: Jos Kleijnen; Gerben ter Riet; Paul Knipschild
[Vitamin C and the common cold; review of a megadosis literature].
Nederlands tijdschrift voor geneeskunde 1989;133(31):1532-5.
1989: L M Bouter; Paul Knipschild; A Volovics
Personal and environmental factors in relation to injury risk in downhill skiing.
International journal of sports medicine 1989;10(4):298-301.
1989: L M Bouter; Paul Knipschild; A Volovics
Binding function in relation to injury risk in downhill skiing.
The American journal of sports medicine 1989;17(2):226-33.
1989: Jos Kleijnen; Paul Knipschild; Gerben ter Riet
Vitamin E and cardiovascular disease.
European journal of clinical pharmacology 1989;37(6):541-4.
1988: Paul Knipschild
Looking for gall bladder disease in the patient's iris.
BMJ (Clinical research ed.) 1988;297(6663):1578-81.