Sequence Analysis of Neuraminidase Genes of 63 H9N2 SubtypesAvian Influenza Viruses
WANG Shou-chun;YIN Yan-bo;WANG Xiao-hong;LI Hai-ying;WANG Jian-lin;ZHANG Yi;GUO Yan-yan
ACTA VETERINARIA ET ZOOTECHNICA SINICA . 2011, (2): 297 -305 .