Genetic Variation Analysis of Subgenotype Ⅶd Newcastle Disease VirusesIsolated from Jiangsu Province in 2008
WU Shuang;HUANG Weiping;WANG Weiwei;HU Shunlin;WANG Xiaoquan;LIU Xiufan
ACTA VETERINARIA ET ZOOTECHNICA SINICA . 2009, (12): 1782 -1787 .