Cloning and Sequence Analysis of Nsp2 Genes of Porcine Reproductive and Respiratory Syndrome Virus Prevalence Strains
YAN Dong-ming;LU Shi-ying;REN Hong-lin;ZHOU Yu;GONG Bin-bin;ZHENG Xin;DU Yun-sheng;WANG Guang-ming;LIU Zeng-shan
China Animal Husbandry & Veterinary Medicine . 2010, (9): 48 -51 .