Fibrinogen Aα312 and Bβ448 polymorphisms are not related to bleeding during oral vitamin K-antagonist treatment - Garcia, Andrea A.; van der Hoeven, Niels V.; Boellaard, Thierry N.; van der Heijden, Jeroen F.; Groot, Angelique P. A.; Reitsma, Pieter H. (Thrombosis and Haemostasis, 2007)