Genetic variation associated with plasma von Willebrand factor levels and the risk of incident venous thrombosis - Smith,NL; Rice,KM; Bovill,EG; Cushman,M; Bis,JC; McKnight,B; Lumley,T; Glazer,NL; Vlieg,AVH; Tang,W; Dehghan,A; Strachan,DP; et al. (BLOOD, 2011)