Fernández-García, S Social and clinical predictors associated with prolonged hospital stays for patients with severe exacerbation of chronic obstructive pulmonary disease. [electronic resource] - Revista clinica espanola Mar 2020 - 79-85 p. digital Publication Type: Journal Article ISSN: 2254-8874 Standard No.: 10.1016/j.rce.2019.05.003 doi