title: Colonoscopy and double contrast barium enema examination in chronic ulcerative colitis.
mesh_terms: D000328:Adult; D001466:Barium Sulfate; D001706:Biopsy; D003093:Colitis, Ulcerative / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000473:pathology; D003106:Colon / Q000473:pathology; D004724:Endoscopy; D006801:Humans; D007413:Intestinal Mucosa / Q000473:pathology; D008297:Male; D008875:Middle Aged; D011859:Radiography
chemical_list: D001466:Barium Sulfate