Thrombosis and Haemostasis, Table of Contents Thromb Haemost 1998; 79(02): 444DOI: 10.1055/s-0037-1615010 Scientific and Standardization Committee Communication Schattauer GmbH Prothrombin 20210A Variant and Age at Thrombosis F. R. Rosendaal 1 Departments of Haematology and Clinical Epidemiology, Leiden University Medical Centre, The Netherlands , H. L. Vos 1 Departments of Haematology and Clinical Epidemiology, Leiden University Medical Centre, The Netherlands , S. L. Poort 1 Departments of Haematology and Clinical Epidemiology, Leiden University Medical Centre, The Netherlands , R. M. Bertina 1 Departments of Haematology and Clinical Epidemiology, Leiden University Medical Centre, The Netherlands› Author AffiliationsRecommend Article Abstract Buy Article Full Text References References 1 Hillarp A, Zöller B, Svensson PJ, Dahlbäck B. The 20210 A allele of the pro thrombin gene is a common risk factor among Swedish outpatients with verified deep venous thrombosis. Thromb Haemost 1998; 78: 990-2. 2 Poort SR, Rosendaal FR, Reitsma PH, Bertina RM. A common genetic variation in the 3’-untranslated region of the prothrombin gene is associated with elevated plasma prothrombin levels and an increase in venous thrombosis. Blood 1996; 88: 3698-703.