Recurrent Thromboembolism in Two Unrelated Patients with Double Heterozygosity for Factor V R506Q and Factor II 20210G/A Mutations - Veyradier, Agnès; Wolf, Martine; Boyer-Neumann, Catherine; Parent, Florence; Simonneau, Gérald; Meyer, Dominique (Thrombosis and Haemostasis, 1998)