Gonzalez, C., Diaz-Golpe, V., Martin, S., Del Real, J. S. and Redondo, M. (2003) “Combination of congenital coagulation disorders: Factor II gene mutation G20210A, Factor V Leiden gene mutation G1691A and protein S deficiency. a family study”, Haematologica. Pavia, Italy, 88(6), pp. ECR20-ECR20. Available at: https://haematologica.org/article/view/2772 (Accessed: 15November2026).