Trans-membrane calcium influx assiociated with von Willebrand Factor binding to GPIb in the initiation of shear-induced platelet aggregation - Ikeda, Y; Handa, M; Kamata, T; Kawano, K; Kawai, Y; Watanabe, K; Kawakami, K; Sagai, K; Fukuyama, M; Itagaki, I; Yoshioka, A; Rugieri, ZM (Thromb Haemost, 1993)