title: Massive gastrointestinal bleeding in Crohn's disease.
abstract: Massive gastrointestinal bleeding is rare in Crohn's disease. Three young adult patients are reported in whom the diagnosis of Crohn's disease was made following investigation for life-threatening gastrointestinal bleeding.
mesh_terms: D000328:Adult; D003424:Crohn Disease / Q000150:complications*; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000209:etiology*; D006801:Humans; D008297:Male