Prevalence and Determinants of COPD in Spain: EPISCAN II Joan B. Soriano, Inmaculada Alfageme, Marc Miravitlles, Pilar de Lucas, Juan José Soler-Cataluña, Francisco García-Río, Ciro Casanova, José Miguel Rodríguez González-Moro, Borja G. Cosío, Guadalupe Sánchez, Julio Ancochea

Gas Exchange and Ventilatory Efficiency During Exercise in Pulmonary Vascular Diseases Jason Weatherald, Athénaïs Boucly, David Montani, Xavier Jaïs, Laurent Savale, Marc Humbert, Olivier Sitbon, Gilles Garcia, Pierantonio Laveneziana

Comparing Spirometric Reference Values From Childhood to Old Age Estimated by LMS and Linear Regression Models David Martínez-Briseño, Laura Gochicoa-Rangel, Luis Torre-Bouscoulet, Silvia Cid-Juárez, Rosario Fernández-Plata, Luisa Martínez-Valdeavellano, Sofía Chapela-Lara, Rodrigo del Río-Hidalgo, Rogelio Pérez-Padilla