CHOICE OF OPERATION FOR DUODENAL ULCER.
D004381:Duodenal Ulcer; D005743:Gastrectomy; D005853:Geriatrics; D006801:Humans; D011183:Postoperative Complications; D013223:Statistics as Topic; D014628:Vagotomy
DUODENAL ULCER; GASTRECTOMY; GERIATRICS; POSTOPERATIVE COMPLICATIONS; STATISTICS; VAGOTOMY