1. Initiative for Chronic Obstructive: Globat Strategy for the Diagnosis, Management, and Prevention of Chronic Obstructive Pulmonary Disease Update 2018 Report;Global,2018
2. Device Selection and Outcomes of Aerosol Therapy: Evidence-Based Guidelines: American College of Chest Physicians/American College of Asthma, Allergy, and Immunology;Dolovich,2005
3. Long‐acting beta2‐agonists for chronic obstructive pulmonary disease;Kew;Cochrane Libr.,2013
4. Chronic treatment with indacaterol and airway response to salbutamol in stable COPD;Cazzola;Respir. Med.,2013
5. Once-daily single-inhaler triple versus dual therapy in patients with COPD;Lipson;N. Engl. J. Med.,2018