title: Colonoscopy versus flexible sigmoidoscopy in evaluation of chronic diarrhea.
authors.forename: R
authors.initials: R
authors.lastname: Srinivasan
authors.forename: D M
authors.initials: DM
authors.lastname: Friedel
mesh_terms: D002908:Chronic Disease; D003110:Colonic Neoplasms / Q000150:complications / Q000175:diagnosis; D003113:Colonoscopy; D003967:Diarrhea / Q000209:etiology*; D006801:Humans; D015212:Inflammatory Bowel Diseases / Q000150:complications / Q000175:diagnosis; D008875:Middle Aged; D012812:Sigmoidoscopy