[Unforessen hemorrhages of the transoperative period].
D001803:Blood Transfusion / Q000150:complications*; D006470:Hemorrhage / Q000209:etiology*; D013514:Surgical Procedures, Operative / Q000150:complications*; D065227:Transfusion Reaction
BLOOD TRANSFUSION/complications; HEMORRHAGE/etiology; SURGERY, OPERATIVE/complications