title: Barium enema and colonoscopy in diagnosis of colonic disorders.
mesh_terms: D001466:Barium Sulfate; D003106:Colon; D003108:Colonic Diseases / Q000175:diagnosis* / Q000000981:diagnostic imaging; D004724:Endoscopy; D004733:Enema; D006801:Humans; D011859:Radiography
chemical_list: D001466:Barium Sulfate