1. Projections of global mortality and burden of disease from 2002 to 2030;Mathers;PLoS Med.,2006
2. Global Strategy for the Diagnosis, Management, and Prevention of Chronic Obstructive Pulmonary Disease 2019 Report;Global Initiative for Chronic Obstructive Lung Disease,2019
3. Annual Report on the Cause of Death Statistics (2015);Statistics Korea,2015
4. Effects of smoking status on chronic obstructive pulmonary disease prevalence in males 40 years and older: findings from the Korean national health and nutrition examination survey;Jung;Korean J. Health Promot.,2014
5. Importance of inhaler devices in the management of airway disease;Virchow;Respir. Med.,2008