猪繁殖与呼吸综合征病毒S-1株ORF5和ORF7基因的克隆及变异分析
张春玲,张婉华,臧克伟,王英,蒋凤英,邹勇,李春华,何锡忠
Clone and variation analysis of the ORF5 and ORF7 genes of Porcine Reproductive and Respiratory Syndrome Virus(PRRSV) S-1 strain
ZHANG Chun-ling,ZHANG Wan-hua,ZANG Ke-wei,WANG Ying,JIANG Feng-ying,ZOU Yong,LI Chu-hua,HE Xi-zhong
. 2008, (2): 40 -45 .