Nozzoli, C., L. Anastasio, L. M. Fabbri, P. Marino, R. Nardi, A. Sacchetta, F. Mastroianni, G. Mangano, F. Lombardini, A. Zappaterra, A. Valerio, G. Vescovo, G. Agnelli, M. Campanini, and for the R. D. of FADOI. “Complexity of Patients With Chronic Obstructive Pulmonary Disease Hospitalized in Internal Medicine: A Survey by FADOI”. Italian Journal of Medicine, vol. 9, no. 2, May 2015, pp. 120-4, doi:10.4081/itjm.2015.516.