Elective operations for duodenal ulcer.
D003967:Diarrhea / Q000209:etiology; D004322:Drainage; D004377:Dumping Syndrome / Q000209:etiology; D004381:Duodenal Ulcer / Q000601:surgery*; D005743:Gastrectomy; D006801:Humans; D008722:Methods; D011178:Postgastrectomy Syndromes / Q000209:etiology; D011183:Postoperative Complications; D011446:Prospective Studies; D011706:Pyloric Antrum / Q000601:surgery; D012008:Recurrence; D014628:Vagotomy