@article{Marín:97220,
      author        = "Marín, J.M. and Mateos, L. and Roldán, J. and
                       Echave-Sustaeta, J.M. and Pascual-Guardia, S. and Pardo,
                       M.V. and Velasco, B. and Jones, C.E. and Kilbride, S. and
                       Lipson, D.A.",
      title         = "{Efficacy of FF/UMEC/VI compared with FF/VI and UMEC/VI in
                       patients with COPD: subgroup analysis of the Spain cohort
                       in IMPACT}",
      year          = "2020",
}