Emergency operation for massive hemorrhage from peptic ulcer: mortality according to age and concurrent disease in 52 cases.
D000328:Adult; D000368:Aged; D004381:Duodenal Ulcer / Q000601:surgery*; D005743:Gastrectomy / Q000009:adverse effects*; D006801:Humans; D008875:Middle Aged; D009026:Mortality; D010438:Peptic Ulcer Hemorrhage / Q000601:surgery*; D013276:Stomach Ulcer / Q000601:surgery*; D014628:Vagotomy