@article{Moya-álvarez:95661,
      author        = "Moya-álvarez, V. and Quevedo-Marín, J.L. and Ji, Z. and
                       Navarro-Jiménez, C. and Jiménez-García, R. and
                       López-De-andrés, A. and Pérez-Trullén, Alfonso and de
                       Miguel-Díez, J.",
      title         = "{Variation in assignment of the COPD patients into a GOLD
                       group according to symptoms severity}",
      year          = "2020",
}