만성폐쇄성 폐질환 (COPD) GOLD 가이드라인 2017 GLOBAL INITIATIVE FOR CHRONIC OBSTRUCTIVE LUNG DISEASE(GOLD) 2017 COPD Definition Chronic Obstructive Pulmonary Disease (COPD) is a common, preventable and treatable disease that is characterized by persistent respiratory symptoms and airflow limitation that is due to airway and/or alveolar abnormalities usually caused by significant exposure to noxious particles..
