title: Colonoscopy as an aid in the diagnosis of nonspecific ulcers of the colon.
mesh_terms: D000328:Adult; D002429:Cecal Diseases / Q000175:diagnosis / Q000473:pathology; D003108:Colonic Diseases / Q000175:diagnosis* / Q000473:pathology; D003113:Colonoscopy; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D014456:Ulcer / Q000175:diagnosis / Q000473:pathology