The association of prothrombin A 19911 G polymorphism with plasma prothrombin activity and venous thrombosis : results of the MEGA study , a large population-based case – control study
Y . C HI NT HA MM I TR , * H. L . VOS , F . R . ROSENDAAL and C . J . M . DO G GEN *Division of Hematology, Department of Medicine, Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok, Thailand; Department of Clinical Epidemiology, Leiden University Medical Center, Leiden; and Department of Hematology, Hemostasis and Thrombosis Research Center, Leiden University Medical Center, Leiden, the Netherlands