Search Search Effective Health Care website Submit search 2 results Sort search results by Sorted by relevance Sort by date Geographic Variation in Carotid Endarterectomy and Carotid Stenting Among Medicare Beneficiaries, 2003-2006 Research Report July 28, 2010 Development of Statistical Estimators to Address Questions of Comparative Effectiveness in Elderly Heart Failure Patients Research Report December 2, 2009