Evolution Characterization and Pathogenicity of an NADC34-like PRRSV Isolated from Inner Mongolia, China oleh Hong-Zhe Zhao, Chun-Yu Liu, Hai Meng, Cheng-Long Sun, Hong-Wen Yang, Hao Wang, Jian Zou, Peng Li, Feng-Ye Han, Gen Qi, Yang Zhang, Bing-Bing Lin, Chuang Liu, Meng-Meng Chen, Pan-Ling Zhang, Xiao-Dong Chen, Yi-Di Zhang, Qian-Jin Song, Yong-Jun Wen, Feng-Xue Wang