A Bossone, F Cappucci, G D’Andrea, V Brancaccio, G Cibelli, L Iannaccone, E Grandone, M Margaglione. The factor V (FV) gene ASP79HIS polymorphism modulates FV plasma levels and affects the activated protein C resistance phenotype in presence of the FV Leiden mutation. Haematologica 2003;88(3):286-289; https://doi.org/10.3324/%x.