Barium examination of the small intestine.
D000284:Administration, Oral; D001466:Barium Sulfate / Q000008:administration & dosage; D004386:Duodenum / Q000000981:diagnostic imaging; D006801:Humans; D007410:Intestinal Diseases / Q000000981:diagnostic imaging; D007421:Intestine, Small / Q000000981:diagnostic imaging*; D007441:Intubation, Gastrointestinal; D008722:Methods; D011859:Radiography
D001466:Barium Sulfate