1. Continued growth of public and private accountable care organizations;Muhlestein;Health Affairs Blog,2013
2. Centers for medicare & medicaid services. Shared savings program: Program news and announcements; 2013
3. Emanuel EJ. The Arkansas innovation. The New York Times; 2012
4. The Oregon ACO experiment—bold design, challenging execution;Stecker;New England Journal of Medicine,2013
5. Controlling health care spending—The Massachusetts experiment;Song;New England Journal of Medicine,2012