title: Double contrast barium enema: best radiographic method for demonstrating colonic polyps.
mesh_terms: D001466:Barium Sulfate; D003110:Colonic Neoplasms / Q000000981:diagnostic imaging*; D006801:Humans; D007417:Intestinal Polyps / Q000000981:diagnostic imaging*; D008722:Methods; D011859:Radiography
chemical_list: D001466:Barium Sulfate