Analysis on the trend of COPD mortality of the residents in Wuhan during 2008-2019
Zhao Yuanyuan, Yang Niannian, Dai Juan, Jin Qiman, Zhang Xiaoxia, Yan Yaqiong
journal1 . 2021, (2): 101 -104 .  DOI: 10.3969/j.issn.1006-5253.2021.02.002