title: Invited commentary.
authors.affiliation: Department of Pathology and Medicine, Stanford Medical Center, 300 Pasteur Dr H-1402, Stanford, CA 94304-5626, USA.
authors.forename: Lawrence Tim
authors.initials: LT
authors.lastname: Goodnough
authors.forename: Aryeh
authors.initials: A
authors.lastname: Shander
mesh_terms: D001803:Blood Transfusion / Q000706:statistics & numerical data*; D047549:Coronary Artery Bypass, Off-Pump / Q000706:statistics & numerical data*; D006801:Humans; D016015:Logistic Models