title: Variations on a theme: adjuncts to basic gastrointestinal X-ray studies.
mesh_terms: D000230:Adenocarcinoma / Q000000981:diagnostic imaging; D000328:Adult; D000368:Aged; D012809:Colon, Sigmoid / Q000000981:diagnostic imaging; D004381:Duodenal Ulcer / Q000000981:diagnostic imaging; D004947:Esophagus / Q000000981:diagnostic imaging; D005260:Female; D005502:Food; D005705:Gallbladder Diseases / Q000000981:diagnostic imaging; D005767:Gastrointestinal Diseases / Q000000981:diagnostic imaging*; D006801:Humans; D007082:Ileum / Q000000981:diagnostic imaging; D007421:Intestine, Small / Q000000981:diagnostic imaging; D008297:Male; D008722:Methods; D008875:Middle Aged; D011859:Radiography; D012811:Sigmoid Neoplasms / Q000000981:diagnostic imaging; D013276:Stomach Ulcer / Q000000981:diagnostic imaging