A New and More Sensitive Method to Integrate the Desaturation Distance Ratio During a 6-Minute Walking Test in Chronic Respiratory Diseases: Physiological Correlates Xavier Alsina-Restoy; Felip Burgos; Rodrigo Torres-Castro; Yolanda Torralba-García; Ebymar Arismendi; Joan Albert Barberà; Àlvar Agustí; Isabel Blanco;

Psoas Muscle Density Evaluated by Chest CT and Long-Term Mortality in COPD Patients Ana Ezponda; Ciro Casanova; Carlos Cabrera; Ángela Martin-Palmero; Marta Marin-Oto; Jose M. Marín; Víctor Pinto-Plata; Miguel Divo; Bartolome R. Celli; Javier J. Zulueta; Gorka Bastarrika; Juan P. de-Torres;

Characterization of Inactive COPD Patients: Barriers to Physical Activity and Perceived Impact of Inactivity Jose M. Padilla; Enrique Alfaro; Raquel Casitas; Raúl Galera; Elisabet Martínez-Cerón; Elena Díaz-García; María Vargas Torres; Cristina López-Fernández; Paula Pérez-Moreno; Juan José Soler-Cataluña; Carolina Cubillos-Zapata; Francisco García-Río;