Role of tissue factor in embryonic blood vessel development - Carmeliet, P; Mackman, N; Moons, L; Luther, T; Gressens, P; Van Vlaenderen, I Demunck; Hasper, M; Breier, G; Evrard, P; Müller, M; Risau, W; Edgington, T; Collen, D (Nature, 1996)