1. Global Initiative for Chronic Obstructive Lung Disease. Global Strategy for the Diagnosis, Management and Prevention of Chronic Obstructive Pulmonary Disease. National Heart, Lung and Blood Institute. Update of the Management Sections. Disponible en: www.goldcopd.com
2. Systemic effects of chronic obstructive pulmonary disease;Agustí;Eur RespirJ,2003
3. Skeletal muscle dysfunction in chronic obstructive pulmonary disease: a statement of the American Thoracic Society and European Respiratory Society;American Thoracic Society;Am J Respir Crit Care Med,1999
4. Skeletal and respiratory muscle dysfunction in the systemic inflammatory response syndrome associated with COPD;Gea,2008
5. Skeletal muscle adaptation to disease states;Gea,2006