4Hu PS, Carithers RLJ, Fiorenza V, et al. Quantitative studies of the hepatitis B viral Pre-S: proteins: lack of correlation with the HBeAg status[J]. Virol Methods, 1987,16:97.
5Petit MA, Zoulin F, Capel F, et al. Vamable expression of Pre-S1 antigen in serum during chronic hepatitis B virus infection:An accurate marker for the level of hepatitis B virus replication[J]. Hepatology, 1990,11: 809.
6Nishizawa T,Okamoto H,Konishi K,et al.A novel DNA virus (TTV) associated with elevated transaminase levels in posttransfusion hepatitis of unknown etiology [J].Biochem Biophys Res Commun,1997,241(1):92~97.
7Yu M,Emerson SU,Cote P,et al.The GDPAL region of the preS1 envelope protein is important for morphogenesis of woodchuck hepatitis virus [J].Hepatology,1998,27(5):1408~1414.
8Cho SW,Shin YJ,Hahm KB,et al.Analysis of the precore and core promoter DNA sequence in liver tissues from patients with hepatocell ular.J Korean Meel Sci,1999,14(4):424.
3Hoa PT,Huy NT,Thu le T,et al.Randomized controlled study investigating viral suppression and serological response following PreS1/Pre-S2/S vaccine therapy combined with Lamivudine treatment in HBeAg-Positive patients with chronic hepatitis B.Antimicrob Agents Chemother,2009,53:5134-5140.