Silistreli  E, Uğurlu  B, Çatalyürek  H, Kuserli  Y, Gençpınar  T, Hazan  E, et al. The effects of pulsatile flow characteristics on hemolysis, transfusion requirement, and hemostasis in open heart surgeries. Turk Gogus Kalp Dama 2012;20:217-222