title: A restrictive perioperative transfusion strategy does not increase all-cause mortality (30 days) or morbidity compared with a liberal approach in patients undergoing cardiac surgery.
authors.affiliation: Cardiothoracic Surgery Department, Democritus University Thrace, University Hospitalof Alexandroupolis, Greece. dmikrou@med.duth.gr
authors.forename: Dimitrios
authors.initials: D
authors.lastname: Mikroulis
authors.forename: Nikolaos
authors.initials: N
authors.lastname: Papanas
authors.forename: Georgios
authors.initials: G
authors.lastname: Vretzakis