Chang-Long Xu, Zu-Xing Qin, Ming-Ming Liang, Huan-Hua Chen, Li Yang, Xi Luo, Jun Luo, Hui-Yan Xu, Jing-Hui Cui, Sheng-Sheng Lu and Ke-Huan Lu
Journal of Animal and Veterinary Advances 12 ( 2 ): 242 - 247 , 2013