1. Diagnosis and management of stable chronic obstructive pulmonary disease: a clinical practice guideline update from the American college of physicians, American college of chest physicians, American thoracic society, and European respiratory society;Qaseem;Ann. Intern Med.,2011
2. Global Strategy for the Diagnosis, Management, and Prevention of Chronic Obstructive Pulmonary Disease;Global Initiative for Chronic Obstructive Lung Disease (GOLD),2016
3. Chronic Obstructive Pulmonary Disease. Management of Chronic Obstructive Pulmonary Disease in Adults in Primary and Secondary Care. NICE clinical guideline 101 (partial update);National Institute for Health and Care Excellence (NICE),2010
4. Canadian Thoracic Society recommendations for management of chronic obstructive pulmonary disease - 2008 update - highlights for primary care;O'Donnell;Can. Respir. J.,2008
5. Spanish COPD guidelines (GesEPOC): pharmacological treatment of stable COPD. Spanish society of pulmonology and thoracic surgery;Miravitlles;Arch. Bronconeumol,2012