A Deletion Located in the 3′ Non Translated Part of the Factor IX Gene Responsible for Mild Haemophilia B - de la Salle, C; Charmantier, J-L; Baas, M-J; Schwartz, A; Wiesel, M-L; Grunebaum, L; Cazenave, J-P (Thrombosis and Haemostasis, 1993)