10FENG Zhi-xin, SHAO Guo-qing, LIU Mao-jun, WU Xu-su, ZHOU Yong-qi and GAN Yuan Key Laboratory of Animal Diseases Diagnostic and Immunology, Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences/National Center for Engineering Research of Veterinary Bio-Products, Ministry of Agriculture, Nanjing 210014, P.R.China.Immune Responses to the Attenuated Mycoplasma hyopneumoniae 168 Strain Vaccine by Intrapulmonic Immunization in Piglets[J].Agricultural Sciences in China,2010,9(3):423-431. 被引量:22