Authors: Goei, R Kessels, AH Nix, M Knipschild, PG

Citation: R. Goei et al., Randomized clinical trial on the use of antispasmodic drugs in barium enema: impact on radiological practice, EUR J RAD, 36(1), 2000, pp. 32-35

Authors: van Dongen, MCJM van Rossum, E Kessels, AGH Sielhorst, HJG Knipschild, PG

Citation: Mcjm. Van Dongen et al., The efficacy of ginkgo for elderly people with dementia and age-associatedmemory impairment: New results of a randomized clinical trial, J AM GER SO, 48(10), 2000, pp. 1183-1194

Authors: Beurskens, AJ de Vet, HC Koke, AJ Lindeman, E van der Heijden, GJ Regtop, W Knipschild, PG

Citation: Aj. Beurskens et al., A patient specific approach for measuring functional status in low back pain, J MANIP PHY, 22(3), 1999, pp. 144-148

Authors: van der Heijden, GJMG Leffers, P Wolters, PJMC Verheijden, JJD van Mameren, H Houben, JP Bouter, LM Knipschild, PG

Citation: Gjmg. Van Der Heijden et al., No effect of bipolar interferential electrotherapy and pulsed ultrasound for soft tissue shoulder disorders: a randomised controlled trial, ANN RHEUM D, 58(9), 1999, pp. 530-540

Authors: Verhagen, AP de Vet, HCW de Bie, RA Kessels, AGH Boers, M Bouter, LM Knipschild, PG

Citation: Ap. Verhagen et al., The delphi list: A criteria list for quality assessment of randomized clinical trials for conducting systematic reviews developed by Delphi consensus, J CLIN EPID, 51(12), 1998, pp. 1235-1241