Routine barium-gas examination of the duodenal bulb.
D001464:Barium; D001466:Barium Sulfate; D003287:Contrast Media; D004386:Duodenum / Q000000981:diagnostic imaging*; D006801:Humans; D011859:Radiography
D003287:Contrast Media; D001464:Barium; D001466:Barium Sulfate
BARIUM SULFATE; CONTRAST MEDIA; DUODENUM/radiography