1. The Federal Interagency Forum on Aging-Related Statistics. Older Americans 2016: key indicators of well-being.
http://www.agingstats.gov/agingstatsdotnet/main_site/default.aspx
. Accessed August 2016.
2. Davis K, Rosenbaum S. Surgical metabolism: the metabolic care of the surgical patient, vol. 273. 1st ed. New York: Springer; 2014.
3. Bernstein L. U.S Life Expectancy Declines Again, a Dismal trend not seen since World War I. The Washington Post, November 29, 2018.
4. U.S. Department of Health and Human Services and U.S. Department of Agriculture. 2015–2020 Dietary Guidelines for Americans. 8th ed. December 2015. Available at
https://health.gov/dietaryguidelines/2015/guidelines/
.
5. Thompson M. Briefs: geriatric nutrition. J Natl Med Assoc. 1980;72(8):795–803.