[Primary definitive operations in perforated chronic gastroduodenal ulcers].
D002908:Chronic Disease; D004381:Duodenal Ulcer / Q000601:surgery*; D005743:Gastrectomy / Q000379:methods; D006801:Humans; D010439:Peptic Ulcer Perforation / Q000601:surgery*; D013276:Stomach Ulcer / Q000601:surgery*
A perforált krónikus gastro-duodenális fekélyek primer végleges mütéteiröl.