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Effect of Dynamic Hyperinflation on Cardiac Response to Exercise of Patients With Chronic Obstructive Pulmonary Disease Raúl Galera, Raquel Casitas, Elisabet Martínez-Cerón, Olaia Rodríguez-Fraga, Cristina Utrilla, Isabel Torres, Carolina Cubillos-Zapata, Francisco García-Río

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