title: [Perforated ulcer].
mesh_terms: D000328:Adult; D000368:Aged; D004381:Duodenal Ulcer / Q000150:complications; D005260:Female; D005743:Gastrectomy / Q000401:mortality; D006801:Humans; D008297:Male; D008875:Middle Aged; D010439:Peptic Ulcer Perforation / Q000401:mortality* / Q000601:surgery; D013276:Stomach Ulcer / Q000150:complications
vernacular_title: Ulcus perforatum.