Factor IXa-factor VIIIa-cell surface complex does not contribute to the basal activation of the coagulation mechanism in vivo. - Bauer, KA; Mannucci, PM; Gringeri, A; Tradati, F; Barzegar, S; Kass, BL; ten Cate, H; Kestin, AS; Brettler, DB; Rosenberg, RD (Blood, 1992)