1. American Cancer Society (2019) Cancer Statistics Center.
2. Zauber AG, Winawer SJ, O’Brien MJ, Lansdorp-Vogelaar I, van Ballegooijen M, Hankey BF, Shi W, Bond JH, Schapiro M, Panish JF, Stewart ET, Waye JD (2012) Colonoscopic polypectomy and long-term prevention of colorectal-cancer deaths. N Engl J Med 366:687–696
3. Centers for Disease Control and Prevention (2016) Behavioral Risk Factor Surveillance System Survey Data. Atlanta, Georgia Department of Health and Human Services, Centers for Disease Control and Prevention.
4. American Association for Retired Persons Chronic Conditions Among Older Americans; . In: Anderson G, ed. Analysis of Medical Expenditure Panel Survey data from 2005
5. Zhao G, Ford ES, Ahluwalia IB, Li C, Mokdad AH (2009) Prevalence and trends of receipt of cancer screenings among US women with diagnosed diabetes. J Gen Intern Med 24:270–275