1Hu KQ.Occult hepatitis B virus infection and its clinical implications[J].J Viral Hepat,2002,9(4):243-257.
2Conjeevaram HS,Lok AS.Occult hepatitis B virus infection:a hidden menace?[J].Hepatology,2001,34(1):204-206.
3Paterlini P,Poussin K,Kew M,et al.Selective accumulation of the X transcript of hepatitis B virus in patients negative for hepatitis B surface antigen with hepatocellular carcinoma[J].Hepatology,1995,21(2):313-321.
4Cacciola I,Pollicino T,Squandrito G,et al.Quantification of intrahepatic hepatitis B virus (HBV) DNA in patients with chronic HBV infection[J].Hepatology,2000,31(2):507-512.
5Matsumoto C,Nishioka K,Oguchi T,et al.Detection and quantitation of HBV DNA by semi-nested PCR in donated blood:comparison with HBV serological markers[J].J Virol Methods,1997,66(1):61-69.
6Sato S,Ohhashi W,Ihara H,et al.Comparison of the sensitivity of NAT using pooled donor samples for HBV and that of a serologic HBsAg assay[J].Transfusion,2001,41(9):1107-1113.
7Takaguchi K,Satou A,Ando M,et al.Detection of hepatitis B virus DNA in the liver and serum of patients with hepatitis B surface antigen and hepatitis C virus antibody negative chronic liver disease[J].Hepatol Res,2002,22(2):139-144.
8Squadrito G,Orlando ME,Pollicino T,et al.Virological profiles in patients with chronic hepatitis C and overt or occult HBV infection[J].Am J Gastroenterol,2002,97(6):1518-1523.
9Weinberger KM,Bauer T,Bohm S,et al.High genetic variability of the group-specifica-determinant of hepatitis B virus surface antigen and the corresponding fragment of the viral polymerase in chronic virus lacking detectable HBsAg in serum[J].J Gen Virol,2000,81(Pt 5):1165-1174.
10Cacciola I,Pollicino T,Squandrito G,et al.Occult hepatitis B virus infection in patients with chronic hepatitis C liver disease[J].N Engl J Med,1999,341(1):22-26.
