1. Canadian Cancer Society. Canadian Cancer Statistics. 2014. http://www.cancer.ca/~/media/cancer.ca/CW/cancer%20information/cancer%20101/Canadian%20cancer%20statistics/Canadian-Cancer-Statistics-2014--EN.pdf .
2. American Cancer Society. Cancer Facts and Figures. 2014. http://www.cancer.org/research/cancerfactsstatistics/cancerfactsfigures2014/ .
3. Jemal A, Bray F, Center MM, Ferlay J, Ward E, Forman D. Global cancer statistics. CA: A Cancer J Clin. 2011; 61(2):69–90.
4. Canadian Cancer Society. Canadian Cancer Statistics. 2011. http://www.cancer.ca/~/media/cancer.ca/CW/cancer%20information/cancer%20101/Canadian%20cancer%20statistics/Canadian-Cancer-Statistics-2011-EN.pdf .
5. Andriole GL, Crawford D, Grubb RL, Buys SS, Chia D, Church TR, et al. PLCO Project Team. Mortality results from a randomized prostate-cancer screening trial. N Engl J Med. 2009; 360:1310–9.