[Hemorrhage of the upper digestive tract. I. Massive hemorrhage as a complication of surgical intervention or trauma].
D006471:Gastrointestinal Hemorrhage / Q000209:etiology*; D006470:Hemorrhage; D006801:Humans; D013514:Surgical Procedures, Operative / Q000150:complications*
HEMORRHAGE, GASTROINTESTINAL/etiology; SURGERY, OPERATIVE/complications