The 4G/5G sequence polymorphism in the promoter of the plasminogen activator inhibitor-1 (PAI-1) gene: Relationship to plasma PAI-1 levels in venous thromboembolism - Stegnar, M; Uhrin, P; Peternel, P; Mavri, A; Salobir-Pajnic, B; Stare, J; Binder, BR (Thromb Haemost, 1998)