6Dane DS,Cameron CH,Briggs M.Viruslike particles in serum of patients with Australiaantigenassociated hepatitis [J].Lancet, 1970,41 (7649) :695-698.
7R De Vos, M B Ray,V J Desmet. Electron microscopy of hepatitis B virus components in chronic active liver disease [J].J Clin Pathol, 1979,32(6) :590-600.
8Wright T L.Introduction to chronic hepatitis B infection[J].Am J Gastroenterol,2006,101 (Suppl 1): 1-6.
9Okamoto H,Tsuda F,Sakugawa H,et al.Typing hepatitis B virus by homology in nucleotide sequence: comparison of surface antigen [J].J Gen Virol,1988,69(Pt10):2575-2583.
10Norder H,Courouce A M,Magnius L O.Complete genomes phylogenetic relatedness.and structural proteins of six strains of the hepatitis B virus, four of which represent two new geuotypes[J].Virology, 1994,198(2): 489-503.
