title: Crohn ileitis and massive rectal bleeding.
authors.forename: R
authors.initials: R
authors.lastname: Schneider
mesh_terms: D003113:Colonoscopy; D003424:Crohn Disease / Q000150:complications*; D006471:Gastrointestinal Hemorrhage / Q000209:etiology*; D005773:Gastroscopy; D006801:Humans