Anticoagulation: the present and the future - von Aken, H; Bode, C; Darius, H; Dhiem, C; Encke, A; Gulba, DC; Haas, S; Hacke, W; Puhl, W; Quante, M; Riess, H; Scharf, R; Schellong, S; Schrör, K; Schulte, KL; Tebbe, U (Clin Appl Thromb Hemost, 2001)