title: [Evaluation of the extent of ulcerative colitis by colonoscopy].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001466:Barium Sulfate; D003093:Colitis, Ulcerative / Q000175:diagnosis* / Q000473:pathology; D003113:Colonoscopy; D004733:Enema; D006801:Humans; D008875:Middle Aged; D011379:Prognosis
chemical_list: D001466:Barium Sulfate