title: The double-contrast barium enema examination.
authors.forename: R E
authors.initials: RE
authors.lastname: Seppala
mesh_terms: D001466:Barium Sulfate / Q000008:administration & dosage*; D003111:Colonic Polyps / Q000000981:diagnostic imaging*; D015179:Colorectal Neoplasms / Q000000981:diagnostic imaging*; D003287:Contrast Media / Q000008:administration & dosage*; D004733:Enema / Q000379:methods*; D006801:Humans; D011859:Radiography
chemical_list: D003287:Contrast Media; D001466:Barium Sulfate