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Preventive Medicine  2017, Vol. 29 Issue (4): 342-346    DOI: 10.19485/j.cnki.issn1007-0931.2017.04.005
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An investigation on smoke-free environment and smoking status at or below county-level governments
LYU Qiao-hong, XU Shui-yang, WU Qing-qing, XU Jing-hang, XU Yue, HAO Gang
The Center for Disease Control and Prevention of Zhejiang Province, Hangzhou, Zhejiang, 310051, China