7He ML, Wu J, Chen Y,et al. A new and sensitive method for the quantification of HBV eccDNA by real time PCR. Biochem Biophys Res Commun, 2002,295: 1102-1107.
8Jun-Bin S, Zhi C, Wei Qin N, et al A quantitative method to detect HBV cccDNA by chimeric primer and real time polymerase chain reaction. J Virol Methods, 2003, 119: 45-52.
9Singh M, Dicaire A, Wakil AE, et al. Quantitation of hepatitis 13 virus (Ht3V) covalently closed circular DNA ( cccDNA ) in the liver of HBV-infected patients by LightCycler real-time PCR. J Virol Methods, 2004, 118: 159-167.
10Wong DK, Yuen MF, Yuan H, et al. Quantitation of covalently closed circular hepatitis B virus DNA in chronic hepatitis Bpatients. Hepatology, 2004,40: 727-737.