Improved outcomes and reduced costs associated with a health-system-wide patient blood management program: a retrospective observational study in four major adult tertiary-care hospitals. - Leahy MF; Hofmann A; Towler S; Trentino KM; Burrows SA; Swain SG; Hamdorf J; Gallagher T; Koay A; Geelhoed GC; Farmer SL (Transfusion, 2017)