The Transition G to A at Position 20210 in the 3′-Untranslated Region of the Prothrombin Gene Is Not Associated With Cerebral Ischemia

To the Editor : A large population-based case-control study, the Leiden Thrombophilia Study, has shown the association of two different inherited coagulation defects with venous thromboembolism: a mutation in the factor V gene (factor V:Q506), that renders activated factor V partially resistant to