4Calnek B W.Diseases of poultry (TENTH-EDITIOJ).Ames.lowa,USA.,1997:541-570. 被引量：1
5A.Ballagi Pordany,E.Wehmann,J.Herozeg,et al.Identification and grouping of Newcastle disease virus strain by restriction site analysis of a region form the F gene.Arch.Virol.,1996,141:243-261. 被引量：1
6B.Lowmniczim,E.Wehmann,J.Herczeg,et al.newcasterle disease outbreaks in recent years in western Europe were caused by an old (Ⅵ) and a novel genotype(Ⅷ).Arch.Virol.,1998,143:49-64. 被引量：1
7Yang Cheng Yao,Shieh Happy K.,Lin Yeou-liang,et al.Newcastle disease virus isolate from recent outbreaks in Taiwan phuyiogenetically related to viruses (Genotype Ⅶ) from recent outbreaks in Western Europe.Avi.Dis.,1999,43:125-130. 被引量：1
9Toyoda T,Sakaguchi T,Imai K. Structural comparison of the cleavage-activation site of the fusion g lycoprotein between virulent and avirulent strains of Newcastle disease virus[J].Virology,1987,(01):242-247. 被引量：1
10Glickman R L,Syddall R J,Iorio R M. Quantitative basic residue requirements in the cleavage-activation site of the fusion glycoprotein as a determinant of virulence for Newcastle disease virus[J].Journal of Virology,1988,(01):354-356. 被引量：1
