2LoK AS, Iai CL, Leung N, et al. long term safety of lamivedine treatment inpatients with chrtmic hepatitis B [J] .Gastroenterology 2003, 125: 1741 - 1722.
3Hadziyannis S, Tassopoulos N, Orang Tr, et al. Long term ade-fovir dipivoxil treatment induces regression of liver fibrosis in patients with HBeAgnegaitve chonic hepatitis B: results after 5 years of therapy [J] .Hepa- tology 2005, 42: 754A.
4Color.no RJ, Rose J, Levine S, et al.Entecavir two years resistance update: no resistance observed in nudeoside naive patients and low frequency resistance emergence in lamivudine refractoy patients [J] . Hepatology 2005, 42: 573A.
8Liu P, Liu C, Xu LM, et al. Effects of Fuzheng Huayu 319 recipe on liver fibrosis in chronic hepatitis B. W Jof Gastroenterology, 1998,4 (4): 348-353.
