[Contrast radiography: let's make it double-contrast].
D001466:Barium Sulfate; D003287:Contrast Media; D004386:Duodenum / Q000000981:diagnostic imaging; D006801:Humans; D011859:Radiography / Q000379:methods*; D013270:Stomach / Q000000981:diagnostic imaging
D003287:Contrast Media; D001466:Barium Sulfate
L'esame di contrasto: me lo faccio doppio.