Particulate Matters（PM2.5/PM10）and COPD Mortality in Pudong New Area of Shanghai　
CHEN Yichen，LI Xiaopan，SUN Lianghong，CHEN Hanyi，QU Xiaobin，ZHANG Ge，CHEN Hua，ZHOU Yi，LIN Tao，SUN Qiao
Chinese General Practice . 2019, (12): 1419 -1425 .  DOI: 10.12114/j.issn.1007-9572.2019.00.040

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