title: Evaluating randomized trials of screening.
authors.affiliation: Department of Veterans Affairs Medical Center, White River Junction, Vt. 05009, USA.
authors.forename: H G
authors.initials: HG
authors.lastname: Welch
authors.forename: W C
authors.initials: WC
authors.lastname: Black
mesh_terms: D001943:Breast Neoplasms / Q000517:prevention & control; D003110:Colonic Neoplasms / Q000517:prevention & control; D005069:Evaluation Studies as Topic; D005260:Female; D006801:Humans; D008175:Lung Neoplasms / Q000517:prevention & control; D008297:Male; D008403:Mass Screening; D017063:Outcome Assessment, Health Care; D016032:Randomized Controlled Trials as Topic; D012107:Research Design