@article{Almagro:131134,
      author        = "Almagro, Pedro and Cabrera, Francisco Javier and Diez
                       Manglano, Jesús and Boixeda, Ramón and Alonso Martín,
                       Belén M. and Murio, Cristina and Soriano, Joan S.",
      title         = "{Comorbidities and short-term prognosis in patients
                       hospitalized for acute exacerbation of COPD: The EPOC en
                       Servicios de Medicina Interna (ESMI) Study}",
      year          = "2012",
}