Causes and prevention of injury in downhill skiingBOUTER, L. M; KNIPSCHILD, P. G.Physician and sportsmedicine. 1989, Vol 17, Num 11, pp 80-94, issn 0091-3847, 7 p.Article

Personal and environmental factors in relation to injury risk in downhill skiingBOUTER, L. M; KNIPSCHILD, P. G; VOLOVICS, A et al.International journal of sports medicine. 1989, Vol 10, Num 4, pp 298-301, issn 0172-4622Article

Randomized clinical trial of ascorbic acid in the treatment of pressure ulcersTER RIET, G; KESSELS, A. G. H; KNIPSCHILD, P. G et al.Journal of clinical epidemiology. 1995, Vol 48, Num 12, pp 1453-1460, issn 0895-4356Article

Fair, and still a sun lover : risk of gallstone formationPAVEL, S; THIJS, C. T; POTOCKY, V et al.Journal of epidemiology and community health (1979). 1992, Vol 46, Num 4, pp 425-427, issn 0143-005XArticle

The role of sexual factors in the aetiology of cervical dysplasiaDE VET, H. C. W; KNIPSCHILD, P. G; STURMANS, F et al.International journal of epidemiology. 1993, Vol 22, Num 5, pp 798-803, issn 0300-5771Article

Optimierung von Plazebos für klinische Doppelblindprüfungen : Erfahrungen mit einem Phytopharmakon = Optimization of placebos for double-blind clinical trials : Experience with a phytopharmaceuticalKNIPSCHILD, P. G; HÖRR, R; OSCHMANN, R et al.Pharmazeutische Industrie. 1999, Vol 61, Num 7, pp 653-655, issn 0031-711XArticle

Reliability of lumbar spine radiograph reading by chiropractorsASSENDELFT, W. J. J; BOUTER, L. M; KNIPSCHILD, P. G et al.Spine (Philadelphia, PA. 1976). 1997, Vol 22, Num 11, pp 1235-1241, issn 0362-2436Article

A randomized trial about the perceived informativeness of new empirical evidence : does beta-carotene prevent (cervical) cancer ?DE VET, H. C. W; KESSELS, A. G. H; LEFFERS, P et al.Journal of clinical epidemiology. 1993, Vol 46, Num 6, pp 509-517, issn 0895-4356Article

Carpal tunnel syndrome prevalence in the general populationDE KROM, M. C. T. F. M; KNIPSCHILD, P. G; KESTER, A. D. M et al.Journal of clinical epidemiology. 1992, Vol 45, Num 4, pp 373-376, issn 0895-4356Article

Spinal manipulation and mobilization for back and neck pain : a blinded reviewKOES, B. W; ASSENDELFT, W. J. J; VAN DER HEIJDEN, G. J. M. G et al.BMJ. British medical journal (International ed.). 1991, Vol 303, Num 6813, pp 1298-1303, issn 0959-8146Article

Efficacy of provocative tests for diagnosis of carpal tunnel syndromeDE KROM, M. C. T. F. M; KNIPSCHILD, P. G; KESTER, A. D. M et al.Lancet (British edition). 1990, Vol 335, Num 8686, pp 393-395, issn 0140-6736Article

Systematic reviews on the basis of methodological criteriaDE VET, H. C. W; DE BIE, R. A; VAN DER HEIJDEN, G. J. M. G et al.Physiotherapy. 1997, Vol 83, Num 6, pp 284-289, issn 0031-9406Article

Measuring the functional status of patients with low back pain : assessment of the quality of four disease-specific questionnairesBEURSKENS, A. J; DE VET, H. C; KÖKE, A. J et al.Spine (Philadelphia, PA. 1976). 1995, Vol 20, Num 9, pp 1017-1028, issn 0362-2436Article

The effectiveness of manual therapy, physiotherapy, and treatment by the general practitioner for nonspecific back and neck complaints : a randomized clinical trialKOES, B. W; BOUTER, L. M; VAN MAMEREN, H et al.Spine (Philadelphia, PA. 1976). 1992, Vol 17, Num 1, pp 28-35, issn 0362-2436Article

Sources of interobserver variation in histopathological grading of cervical dysplasiaDE VET, H. C. W; KNIPSCHILD, P. G; SCHOUTEN, H. J. A et al.Journal of clinical epidemiology. 1992, Vol 45, Num 7, pp 785-790, issn 0895-4356Article

Aetiology of burn injuries among children aged 0-4 years : results of a case-control studyVAN RIJN, O. J. L; BOUTER, L. M; KESTER, A. D. M et al.Burns. 1991, Vol 17, Num 3, pp 213-219, issn 0305-4179Article

Testing for carpal tunnel syndromeDE KROM, M. C. T. F. M; KNIPSCHILD, P. G; KESTER, A. D. M et al.Lancet (British edition). 1991, Vol 338, Num 8777, issn 0140-6736, p. 1280Article

Sensation seeking and injury risk in downhill skiingBOUTER, L. M; KNIPSCHILD, P. G; FEIJ, J. A et al.Personality and individual differences. 1988, Vol 9, Num 3, pp 667-673, issn 0191-8869Article

No effect of bipolar interferential electrotherapy and pulsed ultrasound for soft tissue shoulder disorders : a randomised controlled trialVAN DER HEIJDEN, G. J. M. G; LEFFERS, P; WOLTERS, P. J. M. C et al.Annals of the rheumatic diseases. 1999, Vol 58, Num 9, pp 530-540, issn 0003-4967Article

Low-level laser therapy in ankle sprains : A randomized clinical trialDE BIE, R. A; DE VET, H. C. W; LENSSEN, T. F et al.Archives of physical medicine and rehabilitation. 1998, Vol 79, Num 11, pp 1415-1420, issn 0003-9993Article

Efficacy of traction for nonspecific low back pain: 12-week and 6-month results of a randomized clinical trialBEURSKENS, A. J; DE VET, H. C; KÖKE, A. J et al.Spine (Philadelphia, PA. 1976). 1997, Vol 22, Num 23, pp 2756-2762, issn 0362-2436Article

Randomised clinical trial of manipulative therapy and physiotherapy for persistent back and neck complaints : results of one year follow upKOES, B. W; BOUTER, L. M; VAN MAMEREN, H et al.BMJ. British medical journal (International ed.). 1992, Vol 304, Num 6827, pp 601-605, issn 0959-8146Article

Spinal manipulation and mobilisation for back and neck pain : a blinded review. CommentaryKOES, B. W; ASSENDELFT, W. J; HEIJDEN, G. J et al.Annals of internal medicine. 1992, Vol 116, issn 0003-4819, p. 48, SUP2Article

The role of beta-carotene and other dietary factors in the aetiology of cervical dysplasia : results of a case-control studyDE VET, H. C. W; KNIPSCHILD, P. G; GROL, M. E. C et al.International journal of epidemiology. 1991, Vol 20, Num 3, pp 603-610, issn 0300-5771Article

Balneotherapy and quality assessment : Interobserver reliability of the Maastricht criteria list and the need for blinded quality assessmentVERHAGEN, A. P; DE VET, H. C. W; DE BIE, R. A et al.Journal of clinical epidemiology. 1998, Vol 51, Num 4, pp 335-341, issn 0895-4356Article