title: Transfusions in critically ill patients.
authors.forename: E W
authors.initials: EW
authors.lastname: Ely
authors.forename: G R
authors.initials: GR
authors.lastname: Bernard
mesh_terms: D018806:APACHE; D003422:Critical Care; D016638:Critical Illness / Q000145:classification / Q000401:mortality / Q000628:therapy*; D017707:Erythrocyte Transfusion; D006454:Hemoglobins; D006801:Humans