1. Global Strategy for Diagnosis, Management, and Prevention of COPD;Global Initiative for Chronic Obstructive Lung Disease (GOLD),2014
2. Global Strategy for Asthma Management and Prevention;Global Initiative for Asthma (GINA),2014
3. Comparison of the effectiveness of inhaler devices in asthma and chronic obstructive airways disease: a systematic review of the literature;Brocklebank;Health Technol. Assess.,2001
4. Long-acting inhaled therapy (beta-agonists, anticholinergics and steroids) for COPD: a network meta-analysis;Kew;Cochrane Database. Syst. Rev.,2014
5. Addition of long-acting beta2-agonists to inhaled corticosteroids versus same dose inhaled corticosteroids for chronic asthma in adults and children;Ducharme;Cochrane. Database. Syst. Rev.,2010