title: Acute massive rectal bleeding as a presenting sign of Crohn disease.
authors.forename: J
authors.initials: J
authors.lastname: Smith-Behn
authors.forename: A
authors.initials: A
authors.lastname: Banez
authors.forename: T
authors.initials: T
authors.lastname: Brown
authors.forename: R
authors.initials: R
authors.lastname: Simon
authors.forename: P
authors.initials: P
authors.lastname: Lin
mesh_terms: D003424:Crohn Disease / Q000150:complications*; D005119:Extravasation of Diagnostic and Therapeutic Materials / Q000209:etiology; D006471:Gastrointestinal Hemorrhage / Q000209:etiology*; D006801:Humans; D008297:Male; D008638:Mesenteric Arteries / Q000000981:diagnostic imaging; D008875:Middle Aged; D011859:Radiography