| Chronic airflow limitation | Chronic airway obstruction, not elsewhere classified | Chronic airways obstruction, not elsewhere classified | Chronic bronchitis & emphysema | Chronic obstruct airways disease | Chronic obstructive airways disease | Chronic obstructive airways disease exacerbated | Chronic obstructive lung disease | Chronic obstructive pulmonary disease | COAD | COAD exacerbated | COPD | COPD exacerbation | Obstructive airways disease (chronic) | Smoker's lung | Chronic obstructive bronchopneumopathy | Chronic obstructive pulmonary disease exacerbation | End stage COPD | Emphysematous COPD | Pulmonary Disease, Chronic Obstructive | Chronic Obstructive Pulmonary Disease | Chronic Obstructive Airway Disease | Chronic Obstructive Lung Disease | Airflow Obstruction, Chronic | Airflow Obstructions, Chronic | Chronic Airflow Obstructions | Chronic Airflow Obstruction |
