1. Cancer incidence in five continents. Vol. VII,1997
2. Cancer incidence in five continents, Vol.VI;Levi;Eur J Cancer,1994
3. World Health Organization. Mortality Database. WHO Statistical Information System. Available at: http://www.who.int/whosis. Accessed 2001.
4. GLOBOCAN 2000;Ferlay,2001
5. Ries LAG, Eisner MP, Kosary CL, Hankey BF, Miller BA, Clegg L, Mariotto A, Feuer EJ, Edwards BK, eds. SEER Cancer statistics review, 1975–2001. Bethesda, MD: National Cancer Institute. Available at: http://seer.cancer.gov/csr/1975_2001/results_merged/topic_lifetime_risk.pdf. Accessed 2004.