1. Coumadin® (warfarin sodium) product information. http://packageinserts.bms.com/pi/pi_coumadin.pdf. Accessed August 11, 2012.
2. Pradaxa® (dabigatran etexilate) product information. http://bidocs.boehringer-ingelheim.com/BIWebAccess/ViewServlet.ser?docBase=renetnt&folderPath=/Prescribing%20Information/PIs/Pradaxa/Pradaxa.pdf. Accessed October 16, 2014.
3. Eliquis® (apixaban) product information. http://packageinserts.bms.com/medguide/medguide_eliquis.pdf. Accessed October 16, 2014.
4. Xarelto® (rivaroxaban) product information. http://www.xareltohcp.com/sites/default/files/pdf/xarelto_0.pdf#zoom=100. Accessed October 16, 2014.
5. Prevalence of diagnosed atrial fibrillation in adults: national implications for rhythm management and stroke prevention: the AnTicoagulation and Risk Factors in Atrial Fibrillation (ATRIA) Study;Go;JAMA,2001