3Livak K J ,Flood SJA,Marmaro J ,et al. Oligonucletides with fluorescent dyes at opposite ends provide a quenched prode system useful for detecting PCR product and nucleic acid hybridization[J]. PCR methods applic, 1995, 4 : 357～362.
2Lindh M,Andersson AS,Gusdal A. Genotypes,NT 1858 variants,and geographic origin of hepatitis B virus-large-scale analysis using a new genotyping method [ J ]. J Infect Dis,1997,175:1285-1293.
