Published 2020-05-01
“…Lirong Liang,1 Changwei Li,2 Ye Shen,2 Hengmo Rong,3 Hang Jing,1 Zhaohui Tong3 1Department of Clinical Epidemiology and Tobacco Dependence Treatment Research, Beijing Institute of Respiratory Medicine, Beijing Chaoyang Hospital, Capital Medical University, Beijing, People’s Republic of China; 2Department of Epidemiology and Biostatistics,
University of Georgia College of Public Health, Athens, GA, USA; 3Department of Respiratory and Critical Care Medicine, Beijing Institute of Respiratory Medicine, Beijing Chaoyang Hospital, Capital Medical University, Beijing, People’s Republic of ChinaCorrespondence: Zhaohui TongDepartment of Respiratory and Critical Care Medicine, Beijing Institute of Respiratory Medicine, Beijing Chaoyang Hospital, Capital Medical University, No. 8 Gongren Tiyuchang Nanlu, Chaoyang District, Beijing 100020, People’s Republic of ChinaTel +86-10-85231610Fax +86-10-65060167Email tongzhaohuicy@sina.comBackground and Objective: Chronic obstructive pulmonary disease (COPD) is a leading cause of morbidity and mortality worldwide. …”
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