Increased risk of venous thrombosis in oral-contraceptive users who are carriers of factor V Leiden mutationJan P. Vandenbroucke, R M Bertina, Ted Koster et al.|The Lancet|1994Cited by 1.1k
Hyperhomocysteinemia as a Risk Factor for Deep-Vein ThrombosisMartin den Heijer, Frits R. Rosendaal, Gerard M.J. Bos et al.|New England Journal of Medicine|1996Cited by 1.1k
Protein C deficiency in a controlled series of unselected outpatients: an infrequent but clear risk factor for venous thrombosis (Leiden Thrombophilia Study) [see comments]Ted Koster, Jan P. Vandenbroucke, Frits R. Rosendaal et al.|Blood|1995Cited by 371
Factor VII and Fibrinogen Levels as Risk Factors for Venous ThrombosisTed Koster, Jan P. Vandenbroucke, P.H. Reitsma et al.|Thrombosis and Haemostasis|1994Cited by 295
The Leiden Thrombophilia Study (LETS)F.J.M. van der Meer, Frits R. Rosendaal, Ted Koster et al.|Thrombosis and Haemostasis|1997Cited by 278