Inhaled Medicines for Chronic Obstructive Pulmonary ...

factors for COPD and symptoms that include dyspnoea, chronic cough or sputum production.1,4 The presence of a post-bronchodilator FEV 1 /FVC < 0.70 confirms the presence of persistent airflow limitation of COPD.1,4 The Global Initiative for Chronic Obstructive Lung Disease (GOLD) classifies patients with COPD into four categories (A-D). ................
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