1. Centers for Medicare and Medicaid Services 2016 Bundled Payments for Care Improvement Initiative http://innovation.cms.gov/initiatives/bundled-payments/
2. Medicare Program: Revised Payment System Policies for Services Furnished in Ambulatory Surgical Centers (ASCs) beginning in CY 2008. Final Rule;Centers for Medicare and Medicaid Services HHS;Federal Register,2007
3. Specialty versus Community Hospitals: What Role for the Law?;Choudhry;Health Affairs,2005
4. Ambulatory Surgery in the United States, 2006;Cullen;National Health Statistics Reports,2009
5. Darmouth Atlas of Health Care Geographic Crosswalks and Boundary Files 2016 Dartmouth Atlas of Health Care Web Site http://www.dartmouthatlas.org/tools/downloads.aspx?tab=39