Thrombopoietin potentiates collagen receptor signaling in platelets through a phosphatidylinositol 3-kinase-dependent pathway - Pasquet, J-M; Gross, BS; Gratacap, M-P; Quek, L; Pasquet, S; Payrastre, B; van Willigen, G; Mountford, JC; Watson, SP (Blood, 2000)