
Hans L. Vos, Ph.D. Hemostasis and Thrombosis Research Unit Building 1, C2-R, room 139 Academic Hospital Leiden Albinusdreef 2 PO Box 9600 2300 RC Leiden the Netherlands/Holland tel 31-71-526 1895 fax 31-71-526 6755 e-mail vos@rullf2.medfac.leidenuniv.nl