Initial clinical phenotype of COPD: Correlation with the natuaral history of the disease
Luca Fasano, A.M. Grazia Pacilli, Paolo Carbonara, Valerio Di Scioscio, Ilaria Valentini, Giacomo Mistè, Angela Montanari, Mario Fabbri, Maurizio Zompatori, Stefano Nava
European Respiratory Journal Sep 2011, 38 (Suppl 55) p554;