Duodenogastric reflux and pyloric surgery.
D004381:Duodenal Ulcer / Q000000981:diagnostic imaging; D004386:Duodenum / Q000503:physiopathology*; D005471:Fluoroscopy; D006801:Humans; D010437:Peptic Ulcer / Q000503:physiopathology*; D011708:Pylorus / Q000503:physiopathology; D013276:Stomach Ulcer / Q000000981:diagnostic imaging