The clinical significance of air and barium in the biliary tract.
D001464:Barium; D001466:Barium Sulfate; D001659:Biliary Tract / Q000000981:diagnostic imaging*; D006801:Humans; D011860:Radiography, Abdominal
D001464:Barium; D001466:Barium Sulfate
BARIUM SULFATE; BILIARY TRACT/radiography