Rural villagers and urban residents exposure to poultry in China. oleh Zhibin Peng, Peng Wu, Li Ge, Richard Fielding, Xiaowen Cheng, Weike Su, Min Ye, Ying Shi, Qiaohong Liao, Hang Zhou, Lei Zhou, Leilei Li, Jiabing Wu, Shunxiang Zhang, Zhangda Yu, Xiaomin Wu, Hanwu Ma, Jianhua Lu, Benjamin J Cowling, Hongjie Yu