title: Surgery for bleeding duodenal ulcer.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D002648:Child; D002675:Child, Preschool; D004381:Duodenal Ulcer / Q000150:complications*; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D008875:Middle Aged; D010438:Peptic Ulcer Hemorrhage / Q000401:mortality / Q000601:surgery*