title: Retrograde examination of the small bowel for diagnosis of intestinal obstruction.
mesh_terms: D000328:Adult; D000368:Aged; D001466:Barium Sulfate; D002276:Carcinoid Tumor / Q000000981:diagnostic imaging; D002769:Cholelithiasis / Q000150:complications / Q000000981:diagnostic imaging; D005260:Female; D006801:Humans; D007079:Ileitis / Q000000981:diagnostic imaging; D007414:Intestinal Neoplasms / Q000000981:diagnostic imaging*; D007415:Intestinal Obstruction / Q000000981:diagnostic imaging* / Q000209:etiology; D007421:Intestine, Small / Q000000981:diagnostic imaging; D008297:Male; D008875:Middle Aged; D011859:Radiography
chemical_list: D001466:Barium Sulfate