Cloning and Sequence Analysis of F Gene of a Genetype Ⅸ Newcastle Disease Virus Isolated from Duck
YUAN Yuan-hua, WANG Jun-feng, CAI Li-li, HUANG Xing-guo, LIANG Xiao-ying, CAO Wei-sheng, HUANG Shu-jian
. 2012, (6): 61 -64 .