Gastrointestinal bleeding after cardiovascular operations in children.
D002648:Child; D006471:Gastrointestinal Hemorrhage; D006330:Heart Defects, Congenital / Q000601:surgery*; D006801:Humans; D007223:Infant; D010438:Peptic Ulcer Hemorrhage
HEART DEFECTS, CONGENITAL/surgery; PEPTIC ULCER HEMORRHAGE/in infancy and childhood