The clinical yield of colonoscopy.
D000293:Adolescent; D002648:Child; D003093:Colitis, Ulcerative / Q000175:diagnosis; D003110:Colonic Neoplasms / Q000175:diagnosis / Q000235:genetics / Q000517:prevention & control; D003111:Colonic Polyps / Q000175:diagnosis / Q000601:surgery; D003113:Colonoscopy / Q000379:methods; D003424:Crohn Disease / Q000175:diagnosis; D006471:Gastrointestinal Hemorrhage / Q000175:diagnosis; D006801:Humans; D012004:Rectal Neoplasms / Q000235:genetics