8Xu X Y,Subbarao K,Cox N J,et al.Genetic characterization of the athogenic influenza A/Goose/Guangdo-ng/1/96 (H5N1) virus:Similarity of its hemagglutinin gene to those of H5N1 viruses from the 1997 outbreaks in Hong Kong[J].Virology,1999,261(1):15-19.
9Guan Y,Peiris M,Kong K F,et al.H5N1 influenza viruses isolated from geese in southeastern China:Evidence for genetic reassortment and inters-pecies transmission to ducks[J].Virology,2002,292 (1):16-23.
