Study on Immunization and Cross-protection against Circulating H9 Subtype Avian Influenza Virus Isolates
JING Xiao-dong;ZHANG Zhen-hua;LI Lin;ZHANG Jian-wei;SHEN Jia;ZHENG Xiao-lan;JIANG Bei-yu
China Animal Husbandry & Veterinary Medicine . 2010, (6): 134 -137 .