Perforated peptic ulcer in Auckland and Glasgow.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D004381:Duodenal Ulcer / Q000453:epidemiology*; D005260:Female; D006801:Humans; D007223:Infant; D007813:Laparotomy; D008297:Male; D008875:Middle Aged; D009520:New Zealand; D010439:Peptic Ulcer Perforation / Q000453:epidemiology* / Q000401:mortality; D044469:Racial Groups; D012737:Sex Factors; D013276:Stomach Ulcer / Q000453:epidemiology*; D006113:United Kingdom