Differential induction of P-selectin expression on platelets by two cell separators during plateletpheresis and the effect of gender on the release of soluble P-selectin - Stohlawetz, P; Hergovich, N; Stiegler, G; Eichler, HG; Hocker, P; Kapiotis, S; Jilma, B (Transfusion, 1998)