Contribution of factor VII genotype to activated FVII levels. Differences in genotype frequencies between Northern and Southern European populations - Bernardi, F; Arcieri, P; Chiarotti, F; Corral, J; Pinotti, M; Prydz, H; Samama, M; Sandset, PM; Strom, R; Vincente Garcia, V; Mariani, G (Arterioscl Thromb Vasc Biol, 1997)