Variation Analysis of Porcine Reproductive and Respiratory Syndrome Virus ORF5-7 Gene of HB-4(hs)Strain
LIU Tao, CHEN Sai-juan, SUN Ji-guo, SU Xia, WANG Jiao, ZHAO Ze-kun, ZHANG Ping, FU Qi
ACTA AGRICULTURAE BOREALI-SINICA . 2008, (4): 32 -36 .  DOI: 10.7668/hbnxb.2008.04.008