title: Acute gastrointestinal hemorrhage.
authors.affiliation: Harvard Medical School, and Department of Emergency Medicine, Massachusetts General Hospital, Boston 02114, USA.
authors.forename: J N
authors.initials: JN
authors.lastname: Adler
authors.forename: D F
authors.initials: DF
authors.lastname: Brown
authors.forename: E S
authors.initials: ES
authors.lastname: Nadel
mesh_terms: D000208:Acute Disease; D000368:Aged; D006471:Gastrointestinal Hemorrhage / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000628:therapy; D006801:Humans; D008297:Male; D014057:Tomography, X-Ray Computed