2GOLD Executive Committee. Global strategy for the diagnosis,management, and prevention of chronic obstructive pulmonary disease (Revised 2014 ). [2014-05-08 ]. http://www, goldcopd.
3Soler-Catalufia J J, Cosfo B, Izquierdo JL, et al. Consensus document on the overlap phenotype COPD-asthma in COPD. Arch Bronconeumol,2012,48 : 331-337.
4Gibson PG, Simpson JL. The overlap syndrome of asthma and COPD:what are its features and how important is it? Thorax,2009, 64:728-735.
5Global strategy for asthma management and prevention 2014 (revision). www. ginasthma, org.
6Silva GE, Sherrill DL, Guerra S, et al. Asthma as a risk factor for COPD in a longitudinal study. Chest ,2004,126:59-65.
7Vonk JM, Jongepier H, Panhuysen CI, et al. Risk factors associated with the presence of irrevemible airflow limitation and reduced transfer coefficient in patients with asthma after 26 years of follow up. Thorax,2003,58:322-327.
8Miravitlles M,Soler-Catalufia JJ, Calle M, et al. A new approach to grading and treating COPD based on clinical phenotypes: summary of the Spanish COPD guidelines (GesEPOC). Prim Care Respir J, 2013,22 : 117-121.
9Hizawa N. Pharmacogenetics of chronic obstructive pulmonary 'tisease. Pharmacogenomics ,2013,14 : 1215-1225.
