Homozygosity for the C46T polymorphism of the F12 gene is a risk factor for venous thrombosis during the first pregnancy - Cochery-Nouvellon, E; Mercier, E; Lissalde-Lavigne, G; Daurès, J P; Quéré, I; Dauzat, M; Marès, P; Gris, J C (J Thromb Haemost, 2007)