1. A lower risk of recurrent venous thrombosis in women compared with men is explained by sex-specific risk factors at time of first venous thrombosis in thrombophilic families by Willem M. Lijfering, Nic J. G. M. Veeger, Saskia Middeldorp, Karly Hamulyák, Martin H. Prins, Harry R. Büller, and Jan van der Meer Blood Volume 114(10):2031-2036 September 3, 2009 ©2009 by American Society of Hematology

2. Flow diagram of the study cohort. Willem M. Lijfering et al. Blood 2009;114:2031-2036 ©2009 by American Society of Hematology

3. Time intervals between end of anticoagulant treatment for first venous thrombosis and recurrence. Willem M. Lijfering et al. Blood 2009;114:2031-2036 ©2009 by American Society of Hematology