Relationship between the Neutralization Index in Chicken Embryo and the Homologies of HA Gene of Different H9N2 AIV Isolates
LIU Juan, ZHANG Wei, XU Huai-ying, MA Xiu-li, LI Jian, HUANG Bing, QIN Zhuo-ming, CUI Yan-shun
ACTA AGRICULTURAE BOREALI-SINICA . 2013, (5): 23 -28 .  DOI: 10.7668/hbnxb.2013.05.004