Selection of Vaccine Candidate for Foot-and-Mouth Disease Virus Serotype O Using a Blocking Enzyme-Linked Immunosorbent Assay oleh Yimei Cao, Kun Li, Xiangchuan Xing, Huifang Bao, Nana Huang, Guoqiang Zhu, Xingwen Bai, Pu Sun, Yuanfang Fu, Pinghua Li, Jing Zhang, Xueqing Ma, Dong Li, Zaixin Liu, Zengjun Lu