title: Preparing the colon for barium enema. Why all the fuss?
mesh_terms: D001466:Barium Sulfate; D003106:Colon; D003108:Colonic Diseases / Q000000981:diagnostic imaging*; D004733:Enema / Q000379:methods; D006801:Humans; D011859:Radiography
chemical_list: D001466:Barium Sulfate