Perioperative red cell transfusion.
D000740:Anemia / Q000517:prevention & control; D001803:Blood Transfusion / Q000592:standards*; D003428:Cross Infection / Q000209:etiology / Q000517:prevention & control; D017707:Erythrocyte Transfusion; D006801:Humans; D009316:National Institutes of Health (U.S.); D011183:Postoperative Complications / Q000517:prevention & control; D013514:Surgical Procedures, Operative; D065227:Transfusion Reaction; D014481:United States; D014486:United States Food and Drug Administration