1. Diabetes increases the risk of chronic liver disease and hepatocellular carcinoma;El-serag;Gastroenterology,2004
2. Primary liver cancer: surveillance, diagnosis and treatment;Reau,2012
3. Epidemiology of HCC: consider the population;Mittal;J Clin Gastroenterol,2013
4. Cancer Research UK (2015). Liver cancer statistics. Retrieve 13th December, 2015 from: http://www.cancerresearchuk.org/health-professional/cancer-statistics/statistics-by-cancer-type/liver-cancer#heading-Zero.
5. National Cancer Intelligence Network (NCIN) (2015). Trends in incidence of primary liver cancer subtypes. Retrieve 13th December, 2015 from: http://www.ncin.org.uk/publications/data_briefings/trends_in_incidence_of_primary_liver_cancer_subtypes.