Asymptomatic polyps of the rectum and colon. I. A reexamination.
D003108:Colonic Diseases / Q000175:diagnosis*; D003110:Colonic Neoplasms / Q000175:diagnosis*; D003937:Diagnosis, Differential; D006801:Humans; D011127:Polyps / Q000175:diagnosis*; D012002:Rectal Diseases / Q000175:diagnosis*; D012004:Rectal Neoplasms / Q000175:diagnosis*; D012189:Retrospective Studies; D012812:Sigmoidoscopy