Recovery by Splenectomy in Patients with Relapsed Thrombotic Thrombocytopenic Purpura and Treatment Failure to Plasma Exchange - Höffkes, Heinz-Gert; Weber, Franz; Uppenkamp, Michael; Meusers, Peter; Teschendorf, Christian; Philipp, Thomas; Brittinger, Günther (Seminars in Thrombosis and Hemostasis, 1995)