Biological Biomarkers in Respiratory Diseases Francisco García-Río, Bernardino Alcázar-Navarrete, Diego Castillo-Villegas, Catia Cilloniz, Alberto García-Ortega, Virginia Leiro-Fernández, Irene Lojo-Rodriguez, Alicia Padilla-Galo, Carlos A. Quezada-Loaiza, Jose Antonio Rodriguez-Portal, Manuel Sánchez-de-la-Torre, Oriol Sibila, Miguel A. Martínez-García

Accuracy of a New Algorithm to Identify Asthma–COPD Overlap (ACO) Patients in a Cohort of Patients with Chronic Obstructive Airway Disease Luis Pérez de Llano, Borja G. Cosío, Marc Miravitlles, Vicente Plaza

Home Non-Invasive Ventilation for COPD: How, Who and When? Patrick B. Murphy, Nicholas Hart