Transmembrane calcium influx associated 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; Sakai, K; Fukuyama, M; Itagaki, I (Thromb Haemost, 1993)