The relationship between perforated peptic ulcer and aspirin ingestion.
D000368:Aged; D001241:Aspirin / Q000009:adverse effects*; D004381:Duodenal Ulcer; D004415:Dyspepsia / Q000150:complications; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010439:Peptic Ulcer Perforation; D011708:Pylorus / Q000473:pathology; D012723:Sex; D013276:Stomach Ulcer
D001241:Aspirin