Su guía para el tratamiento con Coumadin®/warfarina Redirect This guide has been superseded. For the new guide, Pastillas que diluyen la sangre: Guía para su uso seguro (Blood Thinner Pills: Using Them Safely), go to:http://www.ahrq.gov/consumer/btpillssp.htm Current as of August 2012 Internet Citation: Su guía para el tratamiento con Coumadin®/warfarina. August 2012. Agency for Healthcare Research and Quality, Rockville, MD. http://www.ahrq.gov/redirects/coumadinsp.html