Plasminogen Activator Inhibitor-1 4G/4G-Genotype Is Associated with Cerebral Sinus Thrombosis in Factor V Leiden Carriers - Junker, Ralf; Nabavi, Darius G; Wolff, Endrik; Lüdemann, Peter; Nowak-Göttl, Ulrike; Käse, Margit; Bäumer, Ruth; Bernd Ringelstein, E.; Assmann, Gerd (Thrombosis and Haemostasis, 1998)