Co-morbidity contributes to predict mortality of patients with chronic obstructive pulmonary disease

R. Antonelli Incalzi, L. Fuso, M. De Rosa, F. Forastiere, E. Rapiti, B. Nardecchia, R. Pistelli
1997 European Respiratory Journal  
doi:10.1183/09031936.97.10122794 pmid:9493663 fatcat:wyqpv7ea6nhgzerqezzggdzs3a