1. Ferlay J.Soerjomataram I.Ervik M.Dikshit R.Eser S. Mathers C. et al. GLOBOCAN 2012 v1.0. Cancer Incidence and Mortality Worldwide: IARC CancerBase No. 11 [Internet]. Lyon. France: International Agency for Research on Cancer; 2013. http://globocan.iarc.fr. Accessed 7 Jul 2014.
2. Cancer Epidemiology and Prevention;WT London,2006
3. Hepatitis C infection and the increasing incidence of hepatocellular carcinoma: A population-based study;JA Davila;Gastroenterology,2004
4. Changing hepatocellular carcinoma incidence and liver cancer mortality rates in the United States;SF Altekruse;Am J Gastroenterol,2014
5. U.S. Cancer Statistics Working Group. United States Cancer Statistics. 1999–2011 Incidence and Mortality Web-based Report. Atlanta: U.S. Department of Health and Human Services. Centers for Disease Control and Prevention and National Cancer Institute. 2014. www.cdc.gov/uscs. Accessed July 12, 2017.