1. HowladerN, NooneAM, KrapchoM, et al. SEER Cancer Statistics Review, 1975–2009 (Vintage 2009 Populations). Bethesda, MD: National Cancer Institute; 2012.
2. Virginia Cancer Registry. Age-adjusted rates of cancer from 2005–2009 based on the 2000 US standard population. http://www.vdh.virginia.gov/HealthStats/stats.htm. Published August 5, 2014. Accessed September 1, 2014.
3. US Department of Health and Human Services. Healthy People 2020 Website–cancer. http://www.healthypeople.gov/2020/topicsobjectives2020/overview.aspx?topicid = 5. Published October 24, 2014. Accessed September 1, 2014.
4. Skin cancer as an occupational disease: the effect of ultraviolet and other forms of radiation
5. FragarL, DepczynskiJ. Farm Health and Safety Toolkit for Rural General Practices. New South Wales, Australia: Australian Centre for Agricultural Health and Safety; 2009.