1. Truman HS. In: Peters G, John T, editors. Special message to the congress recommending a comprehensive health program. The American Presidency Project: Woolley; 1945. http://www.presidency.ucsb.edu/ws/?pid=12288 .
2. Harrington C, Carrillo H, Garfield R. Nursing facilities, staffing, residents, and facility deficiencies, 2009 Through 2014. [Cited April 15, 2017]. http://kff.org/medicaid/report/nursing-facilities-staffing-residents-and-facility-deficiencies-2009-through-2014/ . San Francisco, CA: The Henry J. Kaiser Foundation.
3. Halter JB, Ouslander J, Studenski S, High KP, Asthana S, Supiano MA, Ritchie C. Hazzard’s geriatric medicine and gerontology. 7th ed. New York: McGraw-Hill; 2017.
4. Institute of Medicine (IOM) CoNHR. Improving the quality of care in nursing homes. Washington: National Academy Press; 1986.
5. U.S. General Accounting Office (US GAO). Report to the chairman, subcommittee on health and long-term care, select committee on aging, house of representatives. Medicare and Medicaid: stronger enforcement of nursing home requirements needed. Washington: US GAO 1987; 1987.