1. Obama B. United States health care reform. Progress to date and next steps. J Am Med Assoc. July 11, 2016 (published online). http://jama.jamanetwork.com . Accessed 12 July 2016.
2. Corning PA. The evolution of medicare … from idea to law. Available at: http://www.ssa.gov/history/ . Accessed 28 Sept 2004.
3. Gluck MG, Reno V, editors. Reflections on implementing medicare. Washington, DC: National Academy of Social Insurance; 2001. p. 43.
4. Marmor TR. The politics of medicare. Chicago: Aldine Publishing; 1973.
5. U.S. Social Security Administration. http://www.ssa.gov/history/ . Accessed 28 Sept 2004.