1. National Heart, Lung, and Blood Institute. 2004 NHLBI morbidity and mortality chartbook on cardiovascular, lung and blood diseases [Internet]. Bethesda, MD: U.S. Department of Health and Human Services, Public Health Service, National Institutes of Health. [consultado 30 Mayo 2011]. Disponible en: http://www.nhlbi.nih.gov/resources/docs/cht-book.htm
2. La EPOC, hacia una nueva visión de la enfermedad en el siglo xxi;de Miguel Díaz;Rev Patol Respir,2009
3. Global Initiative for Chronic Obstructive Lung Disease. Global strategy for the diagnosis, management, and prevention of chronic obstructive pulmonary disease: GOLD executive summary;Rabe;Am J Respir Crit Care Med,2007
4. Leucocitos, tabaquismo y enfermedad pulmonar obstructiva crónica;Gómez de Terreros Sánchez;Sanid Mil,2009
5. Endocrinological derangements in COPD;Laghi;Eur Respir J,2009