Use of a half-inch barium tablet to detect minimal esophageal strictures.
D001464:Barium; D001466:Barium Sulfate; D004940:Esophageal Stenosis / Q000000981:diagnostic imaging*; D006801:Humans; D011859:Radiography; D013607:Tablets
D013607:Tablets; D001464:Barium; D001466:Barium Sulfate
BARIUM SULFATE; ESOPHAGEAL STENOSIS/radiography