"Selecting a development approach"(PDF). Centers for Medicare & Medicaid Services (CMS) Office of Information Service. United States Department of Health and Human Services (HHS). March 27, 2008 [Original Issuance: February 17, 2005]. Archived from the original(PDF) on June 20, 2012. Retrieved October 27, 2008.
"Selecting a development approach"(PDF). Centers for Medicare & Medicaid Services (CMS) Office of Information Service. United States Department of Health and Human Services (HHS). March 27, 2008 [Original Issuance: February 17, 2005]. Archived from the original(PDF) on June 20, 2012. Retrieved October 27, 2008.