Platelet PECAM-1 inhibits thrombus formation in vivo. per Falati, S, Patil, S, Gross, P, Stapleton, M, Merrill-Skoloff, G, Barrett, N, Pixton, K, Weiler, H, Cooley, B, Newman, D, Newman, P, Furie, B, Furie, B, Gibbins, J