Intraoperative transfusion practices in Europe

J Meier, D Filipescu, S Kozek-Langenecker, J Llau Pitarch, S Mallett, P Martus, I Matot, G Accurso, D Adelmann, N Ahrens, M Akan, K Åkeröy, O Aksoy, Z Alanoglu, M Alfredo, N Alkis, V Almeida, Kim Ekelund, ETPOS collaborators