title: Barium enema in diagnosis of gallstone ileus.
mesh_terms: D000368:Aged; D001466:Barium Sulfate; D002769:Cholelithiasis / Q000150:complications* / Q000000981:diagnostic imaging; D003106:Colon / Q000000981:diagnostic imaging; D004733:Enema; D006801:Humans; D007082:Ileum; D007415:Intestinal Obstruction / Q000000981:diagnostic imaging / Q000209:etiology*; D008297:Male; D011859:Radiography
chemical_list: D001466:Barium Sulfate