title: Invited commentary.
authors.affiliation: Department of Anesthesiology, Mercy St. Vincent Medical Center, 2213 Cherry St, Toledo, OH 43608, USA. engoren@pol.net
authors.forename: Milo
authors.initials: M
authors.lastname: Engoren
mesh_terms: D000740:Anemia / Q000628:therapy; D001026:Coronary Artery Bypass; D006801:Humans; D011183:Postoperative Complications / Q000453:epidemiology / Q000209:etiology; D065227:Transfusion Reaction; D016896:Treatment Outcome