title: The achievements, impact, and future of the National Polyp Study.
authors.forename: Sidney J
authors.initials: SJ
authors.lastname: Winawer
mesh_terms: D035843:Biomedical Research / Q000266:history*; D003111:Colonic Polyps / Q000175:diagnosis / Q000266:history* / Q000601:surgery; D003113:Colonoscopy / Q000266:history* / Q000379:methods; D049673:History, 20th Century; D006801:Humans; D014481:United States