Samama MM, Mendell J, Guinet C, Le Flem L, Kunitada S. In vitro study of the anticoagulant effects of edoxaban and its effect on thrombin generation in comparison to fondaparinux. Thromb Res. 2012 Apr;129(4):e77–82. doi: 10.1016/j.thromres.2011.07.026. PMID: 21851967.