Perforated peptic ulcer in the West of Scotland: a survey of 5,343 cases during 1954--63.
D000293:Adolescent; D000328:Adult; D000368:Aged; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010439:Peptic Ulcer Perforation / Q000453:epidemiology* / Q000601:surgery; D012606:Scotland