Venous thromboembolism associated with double heterozygosity for R506Q mutation of factor V and for T298M mutation of protein C in a large family of a previously described homozygous protein C deficient newborn with massive thrombosis - Brenner, B; Zivelin, A; Lanir, N; Greengard, JS; Griffin, JH; Seligsohn, U (Blood, 1996)