2Arbuthnot P, Kew M. Hepatitis B virus and hepatocellular cardnoma[J]. In J Exp Pathol,2001,82(2) : 77-100.
3Pollicino T, Squadrito G, Cerenzia G, et al. Hepatitis B virus main tains its pro-oncogenic propetries in the case of oecult HBV infection [J]. Gastroentherology, 2004, 126 (1) : 347-350.