Mutations of ORF3 and ORF5 Gene of Porcine Reproductive and Respiratory Syndrome Virus under Antibody Selective Pressure
HU Jing, JIANG Ai-xiang, NIU Xiao-yun, SU Dan-ping, CHEN Rui-ai, HE Dong-sheng
China Animal Husbandry & Veterinary Medicine . 2012, (11): 13 -17 .