2Webster RG, Bean W J, Gorman OT, et al.Evo-lution and ecology of influenza A viruses[J].Micro- biol Rev, 1992,56(1): 152-179.
3Monne I,Ormelli S,Salviato A,et al.Develop- ment and validation of a one-step real time PC'R assay for simultaneous detectionof subtype H5, H7, and H9 avianinfluenza viruses [J].J Clin Microbiol, 2008,46(5): 1769-1773.
4Liu M, He S, Walker D, et al.The influenza virus gene pool in a poultry market in South central china [J].Virology, 2003,305 (2): 267-275.
5Ogawa H ,Taira O, Hirai T, et al. Multiplex PCR and multiplex RT-PCR for inclusive detection of major swine DNA and RNA viruses in pigs with multiple infections [J]. J Virol Methods, 2009,160 (1-2): 210-214.
6Webster RG, Bean W J, Gorman OT, et al.Evo-lution and ecology of influenza A viruses[J].Micro- biol Rev, 1992,56(1): 152-179.
7Monne I,Ormelli S,Salviato A,et al.Develop- ment and validation of a one-step real time PC'R assay for simultaneous detectionof subtype H5, H7, and H9 avianinfluenza viruses [J].J Clin Microbiol, 2008,46(5): 1769-1773.
8Liu M, He S, Walker D, et al.The influenza virus gene pool in a poultry market in South central china [J].Virology, 2003,305 (2): 267-275.
9Ogawa H ,Taira O, Hirai T, et al. Multiplex PCR and multiplex RT-PCR for inclusive detection of major swine DNA and RNA viruses in pigs with multiple infections [J]. J Virol Methods, 2009,160 (1-2): 210-214.
