Interaction of Depression and Nicotine Addiction on the Severity of Chronic Obstructive Pulmonary Disease: A Prospective Cohort Study - LOU, Peian; CHEN, Peipei; ZHANG, Pan; YU, Jiaxi; WANG, Yong; CHEN, Na; ZHANG, Lei; WU, Hongmin; ZHAO, Jing (Iranian Journal of Public Health, 2016)