The Factor V Gene A4070G Mutation and the Risk of Venous Thrombosis - Alhenc-Gelas, M; Nicaud, V; Gandrille, S; Van Dreden, P; Amiral, J; Aubry, M-L; Fiessinger, J-N; Emmerich, J; Aiach, M (Thromb Haemost, 1999)