1. World Health Organization, Cancer Fact sheet N°297“., February 2015.
2. Cancer Facts & Figures, American Cancer Society, Atlanta, 2016.
3. Cancer Biology;Ruddon,2007
4. R. Airley, Cancer Chemotherapy: Basic Science to the Clinic, first ed., Wiley, 2009, p. 1.
5. B. Kwabi-Addo, T.L. Lindstrom, Cancer Causes and Controversies, Understanding Risk Reduction and Prevention, Introduction, 2011, XVII.