Plasminogen Activator Inhibitor Type 1 PAI1 and Five Frequent Polymorphisms of the PAI1 Gene Systematic review and metaanalysis of association between Plasminogen Activator Inhibitor1PAI1 Gene Polymorphisms PlasminogenAktivatorInhibitor Typ 1 DocCheck Flexikon Diagnosticul trombofiliei Clinica Sante PAI 1 Thrombophilia and Pregnancy Research Review