Molecular investigation of infection sources and transmission chains of brucellosis in Zhejiang, China oleh Heng Wang, Wei-min Xu, Kuang-ji Zhu, Su-juan Zhu, Hong-fang Zhang, Jia Wang, Yang Yang, Feng-yao Shao, Neng-ming Jiang, Zhen-yang Tao, Hang-yi Jin, Yi Tang, Liang-liang Huo, Fang Dong, Zhen-jun Li, Hua Ding, Zhi-guo Liu