title: Finding and redefining disease.
authors.forename: H G
authors.initials: HG
authors.lastname: Welch
mesh_terms: D000328:Adult; D006293:Health Promotion; D006801:Humans; D008403:Mass Screening / Q000706:statistics & numerical data*; D009369:Neoplasms / Q000175:diagnosis* / Q000517:prevention & control*; D010818:Practice Patterns, Physicians'; D016032:Randomized Controlled Trials as Topic; D014481:United States