title: Peptic ulcer in the  haemophiliac and its relation to gastrointestinal bleeding.
mesh_terms: D000293:Adolescent; D000328:Adult; D004381:Duodenal Ulcer / Q000150:complications* / Q000175:diagnosis / Q000601:surgery; D006467:Hemophilia A / Q000150:complications* / Q000175:diagnosis; D006801:Humans; D010438:Peptic Ulcer Hemorrhage / Q000209:etiology*; D013223:Statistics as Topic