[Clinicopathologic study on the gastroduodenal ulcer (author's transl)].
D000328:Adult; D000375:Aging; D000818:Animals; D002415:Cats; D004381:Duodenal Ulcer / Q000473:pathology*; D005260:Female; D006801:Humans; D008297:Male; D013276:Stomach Ulcer / Q000473:pathology*