Gas-distension, double-contrast duodenography using the Scott-Harden gastroduodenal tube.
D001464:Barium; D004378:Duodenal Diseases / Q000000981:diagnostic imaging*; D005471:Fluoroscopy; D006801:Humans; D010276:Parasympatholytics
D010276:Parasympatholytics; D001464:Barium