The Emergence and Pathogenesis of Recombinant Viruses Associated with NADC34-like Strains and the Predominant Circulating Strains of Porcine Reproductive and Respiratory Syndrome V... oleh Xindong Wang, Kang Zhang, Qingrong Mo, Guochang Chen, Jing Lv, Jing Huang, Yanli Pang, Hao Wang, Wenbo Liu, Kai Huang, Xiangling Min, Tongwei Ren, Kang Ouyang, Ying Chen, Weijian Huang, Zuzhang Wei