1Merican I, Guan R, Amarapuka D, et al. Chronic hepatitis B virus infection in Asian countries I J ]. J Gastroenterol Hepatol , 2000,15(12) : 1356-1361.
3Heo J, Baik TH, Kim HI-I, et al. Serum hepatitis B Virus (HBV) DNA levels at different stages of clinical course in patients with chronic HBV infection in an endemic area [J]. J Korean Med Sci, 2003,18(5) :686-690.
5Kao JH, Chen PJ, Lai MY, et al . Hepatitis B genotypes correlate with clinical outcomes in patients with chronic hepatitis B Gastroentemlogy, 2000,118 ( 3 ) : 554-559.
6Kao JH, Chen PJ, Lai MY, et al . Clinical and virological aspects of blood donors infected with hepatitis B virus genotypes B and C[J]. J Clin Microbiol , 2002,40(1 ) :22-25.
7Sakugawa H, Nak&sone H, Nakayoshi T, et al . Preponderance of hepatitis B virus genotype B contributes to better prognosis of chronic HBV infection in Okinawa [J]. Japan y Med Virol ,2002,67 ( 4 ) : 484-489.
8Norder H, Courouce AM, Magnius LO, et al. Complete genomes, phylogenetic relatedness and structural proteins of six strains of the hepatitis B virus, four of which represent two newgenotypes [J]. Virology , 1994,198(2):489-503.
7Lambert C, Mann S, Prange R. Assessment of determinants affecting the dual topology of hepadnaviral large envelope proteins [J].J Gen Virol, 2004,85(Pt5) :1221-1225.
8Chang TT, Gish RG, de Man R, et al. A comparison of entecavir and lamivudine for HBeAg-positive chronic hepatitis B [J]. N Engl J Med, 2006,354(10):1001-1010.
9Paran N, Cooper A, Shaul Y. Interaction of hepatitis B virus with cells [J]. Rev Med Virol, 2003,13(3):137-143.
10Sung VM, Lai MM. Murine retroviral pseudotype virus containing hepatitis B virus large and small surface antigens confers specific tropism for primary human hepatoeytes: a potential liver-specific targeting system [J]. J Virol, 2002,76(2) :912-917.