[HEMORRHAGE FROM GASTRO-DUODENAL ULCER].
D001803:Blood Transfusion; D004381:Duodenal Ulcer; D006470:Hemorrhage; D006801:Humans; D010438:Peptic Ulcer Hemorrhage; D013514:Surgical Procedures, Operative
BLOOD TRANSFUSION; PEPTIC ULCER HEMORRHAGE; SURGERY, OPERATIVE
EMORRAGIA DA ULCERA GASTRO-DUODENALE.