1. World Heath Organisation Website, GLOBOCAN 2008 (IARC) Section of Cancer information; http://globocan.iarc.fr/factsheets/cancers/liver.asp accessed 1st February 2013.
2. Hepatocellular carcinoma: epidemiology and molecular carcinogenesis;HB El-Serag;Gastroenterology,2007
3. Cancer Research UK website, http://info.cancerresearchuk.org/cancerstats/mortality/cancerdeaths/#Trends accessed 1st February 2013.
4. Independent risk factors and predictive score for the development of hepatocellular carcinoma in chronic hepatitis B. J Hepatol;MF Yuen,2009
5. Nomograms for risk of hepatocellular carcinoma in patients with chronic hepatitis B virus infection;HI Yang;J Clin Oncol,2010