title: [Rare causes of gastrointestinal hemorrhage requiring surgery].
mesh_terms: D001165:Arteriovenous Malformations / Q000150:complications; D002675:Child, Preschool; D003106:Colon / Q000098:blood supply; D004381:Duodenal Ulcer / Q000150:complications; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000209:etiology* / Q000601:surgery; D006484:Hemorrhoids / Q000150:complications; D006801:Humans; D007082:Ileum / Q000002:abnormalities; D008297:Male; D010438:Peptic Ulcer Hemorrhage / Q000209:etiology
vernacular_title: Rzadkie przyczyny krwawień z przewodu pokarmowego wymagajace interwencji chirurgicznej.