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