[ON A METHOD OF PREPARING AN AQUEOUS SOLUTION OF BARIUM FOR ROENTGENOLOGICAL EXAMINATION OF THE GASTROINTESTINAL TRACT].
D001464:Barium; D001466:Barium Sulfate; D041981:Gastrointestinal Tract; D006801:Humans; D011859:Radiography
D001464:Barium; D001466:Barium Sulfate
BARIUM SULFATE; GASTROINTESTINAL SYSTEM; RADIOGRAPHY