Effects of Pulmonary Hypertension on Exercise Capacity in Patients With Chronic Obstructive Pulmonary Disease Isabel Blanco, Beatriz Valeiro, Rodrigo Torres-Castro, Anael Barberán-García, Yolanda Torralba, Jorge Moisés, Laura Sebastián, Jeisson Osorio, José Rios, Elena Gimeno-Santos, Josep Roca, Joan A. Barberà

GOLD Staging System is Appropriate to Predict Mortality in Older People With Chronic Obstructive Pulmonary Disease Claudio Pedone, Renato Giua, Nicola Scichilone, Vincenzo Bellia, Raffaele Antonelli-Incalzi

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