V. Livrinova, M. Hadzi Lega, A. Hristova Dimcheva, I. Samardziski, and R. Isjanovska, “Factor V Leiden, Prothrombin and MTHFR Mutation in Patients with Preeclamsia, Intrauterine Growth Restriction and Placental Abruption”, Open Access Maced J Med Sci, vol. 3, no. 4, pp. 590–594, Sep. 2015.