Polymorphisms of the beta fibrinogen gene and plasma fibrinogen concentration in Caucasian and Japanese population samples - Iso, H; Folsom, AR; Winkelmann, JC; Koike, K; Harada, S; Greenberg, B; Sato, S; Shimamoto, T; Iida, M; Komachi, Y (Thromb Haemost, 1994)