title: Blood transfusion for cardiopulmonary bypass: the need to answer a basic question.
authors.forename: Bruce D
authors.initials: BD
authors.lastname: Spiess
mesh_terms: D001777:Blood Coagulation; D001803:Blood Transfusion; D002315:Cardiopulmonary Bypass; D001026:Coronary Artery Bypass; D006400:Hematocrit; D006801:Humans; D013916:Thrombelastography; D065227:Transfusion Reaction