[Clinico-statistical contribution to the therapy of perforated gastroduodenal ulcer].
D000328:Adult; D000368:Aged; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010439:Peptic Ulcer Perforation / Q000601:surgery*
Contributo clinico statistico alla terapia dell'ulcera gastro-duodenale perforata.