title: Barium-burger roentgen study for unrecognized, clinically significant, gastric retention.
mesh_terms: D000328:Adult; D000368:Aged; D001464:Barium; D003287:Contrast Media; D004032:Diet; D004378:Duodenal Diseases / Q000000981:diagnostic imaging*; D004380:Duodenal Obstruction / Q000000981:diagnostic imaging; D005260:Female; D005500:Follow-Up Studies; D005769:Gastrointestinal Motility; D006801:Humans; D008297:Male; D008460:Meat; D008722:Methods; D008875:Middle Aged; D011187:Posture; D011859:Radiography; D013272:Stomach Diseases / Q000000981:diagnostic imaging*; D013997:Time Factors
chemical_list: D003287:Contrast Media; D001464:Barium