Analysis and Prediction Research of Death and Premature Death by Chronic Obstructive Pulmonary Disease in Rural Areas of Liaoning Province from 2009 to 2016　
TIAN Peiru，ZHANG Simeng，NI Pin，AI Con，LIU Xiaobing，SUN Qiuhong，SHI Jingpu
Chinese General Practice . 2019, (24): 2985 -2990 .  DOI: 10.12114/j.issn.1007-9572.2018.00.330

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