1. American Cancer Society. Cancer Facts and Figures, 2017.
https://www.cancer.org/content/dam/cancer-org/research/cancer-facts-and-statistics/annual-cancer-facts-and-figures/2017/cancer-facts-and-figures-2017.pdf
. Accessed 11 July 2017.
2. American Cancer Society. Cancer Facts and Figures, 2016.
https://www.cancer.org/content/dam/cancer-org/research/cancer-facts-and-statistics/annual-cancer-facts-and-figures/2016/cancer-facts-and-figures-2016.pdf
. Accessed 11 July 2017.
3. INational Cancer Institute Surveillance, Epidemiology, and end results program. Cancer Stat Facts: Endometrial Cancer.
https://seer.cancer.gov/statfacts/html/corp.html
. Accessed 11 July 2017.
4. Calle EE, Rodriguez C, Walker-Thurmond K, Thun MJ. Overweight, obesity, and mortality from cancer in a prospectively studied cohort of U.S. adults. N Engl J Med. 2003;348:1625–38.
5. Kinsella K, Suzman R, Robine JM. Demography of older populations in developed countries. J Family Issues. 2000;21:541–58.