1. International Agency for Research on Cancer: Globocan 2008: Cancer Fact Sheet. Available at http://globocan.iarc.fr/factsheets/cancers/colorectal.asp . Accessed August 2012
2. World Cancer Research Fund/American Institute for Cancer Research: Chapter 7: Cancers. In Food, Nutrition, Physical Activity and the Prevention of Cancer: a Global Perspective. Washington DC: AICR; 2007.
3. World Cancer Research Fund and American Institute for Cancer Research. Food, Nutrition, Physical Activity and the Prevention of Cancer: a Global Perspective. Washington: AICR; 2007.
4. World Cancer Research Fund and American Institute for Cancer Research: Chapter 11: Research issues. In Food, Nutrition, Physical Activity and the Prevention of Cancer: a Global Perspective. Page 360. Washington DC: AICR; 2007.
5. World Cancer Research Fund and American Institute for Cancer Research: WCRF/AICR Systematic Literature Review Continuous Update Project Report: The Associations between Food, Nutrition and Physical Activity and the Risk of Colorectal Cancer. Completed Oct 2010. Available at http://www.dietandcancerreport.org/cancer_resource_center/downloads/cu/Colorectal%20cancer%20CUP%20report%20Oct%202010.pdf . Accessed September 2012.