Factor XII gene alteration in Hageman trait detected by TaqI restriction enzyme - Bernardi, F; Marchetti, G; Patracchini, P; del Senno, L; Tripodi, M; Fantoni, A; Bartolai, S; Vannini, F; Felloni, L; Rossi, L; Panicucci, F; Conconi, F (Blood, 1987)