Umbrathor as a substitute for barium in the roentgen study of acute intestinal obstruction.
D001464:Barium; D006801:Humans; D007415:Intestinal Obstruction / Q000000981:diagnostic imaging*; D011859:Radiography; D013911:Thorium Dioxide
D001464:Barium; D013911:Thorium Dioxide
BARIUM/substituted by umbrathor; INTESTINAL OBSTRUCTION/radiography; UMBRATHOR/substitute for barium