The association between intraoperative cell salvage and red blood cell transfusion in cardiac surgery – an observational study in a patient blood management centre - Neef, Vanessa; Vo, Linda; Herrmann, Eva; Triphaus, Chris; Judd, Leonie; Winter, Andreas; Zacharowski, Kai; Choorapoikayil, Suma; Meybohm, Patrick (Anestezjologia Intensywna Terapia, 2021)