Intubation infusion method: reliability in diagnosis of mechanical partial small-bowel obstruction.
D001466:Barium Sulfate; D006801:Humans; D007415:Intestinal Obstruction / Q000000981:diagnostic imaging*; D007421:Intestine, Small / Q000000981:diagnostic imaging*; D007441:Intubation, Gastrointestinal / Q000379:methods*; D011859:Radiography
D001466:Barium Sulfate