Epidemiological analysis of public health emergencies in schools in Hunan Province,2007-2012
DUAN Hong-ying, CHEN Bi-yun, CHEN Chang, YUE Wen－fang, DING Sheng－fei, MENG Ning, LIU Xian－zhen
S China J Prev Med . 2013, (4): 40 -43 .  DOI: 10.13217/j.scjpm.2013.04.040

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