title: [X-ray examination of the duodenum and small intestine].
mesh_terms: D000284:Administration, Oral; D001466:Barium Sulfate / Q000008:administration & dosage; D003287:Contrast Media; D004386:Duodenum / Q000000981:diagnostic imaging*; D006801:Humans; D007421:Intestine, Small / Q000000981:diagnostic imaging*; D011859:Radiography
chemical_list: D003287:Contrast Media; D001466:Barium Sulfate