1. WHO Health Statistics 2011. Available at: http://www.who.int/whosis/whostat/2011/en/index.html. Accessed January 10, 2012.
2. The World Health Report 2000-Health systems: improving performance. Available at: http://www.who.int/whr/2000/en/index.html. Accessed January 10, 2012.
3. A national strategy to put accountable care into practice;McClellan;Health Aff (Millwood),2010
4. The Office of the National Coordinator for Health Information Techonology, Electronic Health Records and Meaningful Use. Available at: http://healthit.hhs.gov/portal/server.pt?open=512&objID=2996&mode=2. Accessed January 10, 2012.
5. American College of Radiology. CMS Proposed Rule for Stage 2 Meaningful Use Released for Public Comment: Many ACR Recommendations Included. Available at: http://www.acr.org/HomePageCategories/News/ACRNewsCenter/MU-Stage-2-Proposed-Rules.aspx. Accessed February 25, 2012.