Perforated peptic ulcer.
D000328:Adult; D000367:Age Factors; D001241:Aspirin / Q000009:adverse effects; D001315:Australia; D004381:Duodenal Ulcer; D005260:Female; D005500:Follow-Up Studies; D005743:Gastrectomy; D006801:Humans; D008297:Male; D008875:Middle Aged; D010439:Peptic Ulcer Perforation / Q000139:chemically induced / Q000150:complications / Q000175:diagnosis / Q000453:epidemiology / Q000401:mortality / Q000601:surgery; D011183:Postoperative Complications; D011379:Prognosis; D012737:Sex Factors; D013276:Stomach Ulcer; D014628:Vagotomy
D001241:Aspirin