1. Boehringer Ingelheim Pharmaceuticals, Inc. Pradaxa (dabigatran etexilate mesylate) prescribing information. Available at: http://bidocs.boehringer-ingelheim.com/BIWebAccess/ViewServlet.ser?docBase=renetnt&folderPath=/Prescribing%20Information/PIs/Pradaxa/Pradaxa.pdf. Accessed February 17, 2016.
2. Bristol-Myers Squibb. Eliquis (apixaban) prescribing information. Available at: http://packageinserts.bms.com/pi/pi_eliquis.pdf. Accessed February 17, 2016.
3. Daiichi Sankyo, Inc Savaysa (edoxaban) prescribing information. Available at: http://dsi.com/prescribing-information-portlet/getPIContent?productName=Savaysa&inline=true. Accessed February 17, 2016.
4. Janssen Pharmaceuticals, Inc. Xarelto (rivaroxaban) prescribing information. Available at: www.xareltohcp.com/shared/product/xarelto/prescribing-information.pdf. Accessed February 17, 2016.
5. Comparing mortality in patients with atrial fibrillation who are receiving a direct-acting oral anticoagulant or warfarin: a meta-analysis of randomized trials;Liew;J Thromb Haemost,2014