The trapped air sign: its value in the interpretation of antral deformities.
D000328:Adult; D000368:Aged; D000388:Air; D003937:Diagnosis, Differential; D004381:Duodenal Ulcer / Q000000981:diagnostic imaging*; D005260:Female; D006548:Hernia, Diaphragmatic / Q000000981:diagnostic imaging*; D006801:Humans; D008297:Male; D008875:Middle Aged; D011859:Radiography; D013272:Stomach Diseases / Q000000981:diagnostic imaging; D013274:Stomach Neoplasms / Q000000981:diagnostic imaging*; D013276:Stomach Ulcer / Q000000981:diagnostic imaging*; D000267:Tissue Adhesions / Q000000981:diagnostic imaging