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Authors: Verhagen, AP de Bie, RA Lenssen, AF de Vet, HCW Kessels, AGH Boers, M van den Brandt, PA

Citation: Ap. Verhagen et al., Impact of quality items on study outcome - Treatments in acute lateral ankle sprains, INT J TE A, 16(4), 2000, pp. 1136-1146

Authors: Zeegers, MPA Tan, FES Verhagen, AP Weijenberg, MP van den Brandt, PA

Citation: Mpa. Zeegers et al., Elevated risk of cancer of the urinary tract for alcohol drinkers: a meta-analysis, CANC CAUSE, 10(5), 1999, pp. 445-451

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