Recombinant human soluble thrombomodulin delivers bounded thrombin to antithrombin III: thrombomodulin associates with free thrombin and is recycled to activate protein C - Aritomi, M; Watanabe, N; Ohishi, R; Gomi, K; Kiyota, T; Yamamoto, S; Ishida, T; Maruyama, I (Thromb Haemostas, 1993)