title: New blood, old blood, or no blood?
authors: John W
authors: JW
authors: Adamson
mesh_terms: D001793:Blood Preservation; D006348:Cardiac Surgical Procedures; D017707:Erythrocyte Transfusion / Q000009:adverse effects*; D006801:Humans; D011183:Postoperative Complications; D012306:Risk; D013997:Time Factors