Perforated peptic ulcer in Dunedin and Oxford.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D001789:Blood Group Antigens; D002648:Child; D002675:Child, Preschool; D004381:Duodenal Ulcer / Q000453:epidemiology*; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D008875:Middle Aged; D009520:New Zealand; D010437:Peptic Ulcer / Q000209:etiology; D010439:Peptic Ulcer Perforation / Q000453:epidemiology*; D012737:Sex Factors; D013276:Stomach Ulcer / Q000453:epidemiology*; D006113:United Kingdom
D001789:Blood Group Antigens