@article{10.1707/57.598,
author = {Longoni, Paolo and De Cristofaro, Luigi and Nigro, Paola and Pangrazzi, Ierta and Sergi, Margherita},
title = {Le BPCO riacutizzate: una proposta di studio osservazionale [Acute exacerbations of COPD: proposal for an observational study]},
journal = {Ricerca & Pratica},
volume = {20},
number = {2},
year = {2004},
month = {3},
publisher = {Il Pensiero Scientifico Editore},
issn = {2038-2480},
doi = {10.1707/57.598},
url = {http://dx.doi.org/10.1707/57.598},
}