Factor VII gene polymorphisms contribute about one third of the factor VII level variation in plasma - Bemardi, F; Marchetti, G; Pinotti, M; Arcieri, P; Baroncini, C; Papacchini, M; Zepponi, E; Ursicino, N; Chiarotti, F; Mariani, G (Arterioscler Thromb and Vase Biol, 1996)