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机译:建立DNA-launched感染性克隆一个高度pneumovirulent应变的2型猪繁殖和呼吸综合症病毒:识别和体外和体内描述的自发的删除在nsp2地区。
Center for Molecular Medicine and Infectious Diseases, Department of Biomedical Sciences and Pathobiology, College of Veterinary Medicine, Virginia Tech, Blacksburg, VA 24061-0913 , USA.;
Porcine respiratory and reproductive syndrome virus; viruses; In vitrovirus virulenceClone Cells;