author        = "Espantoso-Romero, M. and Román Rodríguez, M. and
                       Duarte-Pérez, A. and Gonzálvez-Rey, J. and
                       Callejas-Cabanillas, P. and Lazic, D.K. and Anta-Agudo, B.
                       and Torán Monserrat, P. and Magallon-Botaya, R. and
                       Gerasimovska Kitanovska, B. and Lingner, H. and Assenova,
                       R.S. and Iftode, C. and Gude-Sampedro, F. and Clavería, A.
                       and Abalde-Castro, L. and Ares-Vila, S. and
                       Bernardez-Peña, L.N. and Bozhinovska, E. and Budiu, I. and
                       Bundó Vidiella, M. and Clemente-Jimenez, L. and Coma
                       Carbó, R.M. and Del Río-Navarro, C. and Erazo, S. and
                       Góngora Andrades, M.A. and Gorreto López, L. and Hamulka,
                       D. and Hernández-Rodríguez, A. and Hristeva Foreva, G.
                       and Jovanovska, S. and Lazic, A. and Martín-Campos, C. and
                       Mayrata, A. and Montero Alia, P. and Negrete Palma, A. and
                       Núñez-Chicharro, L. and Padure, I. and Palmer Simó, J.F.
                       and Pérez-Villar, M.V. and Rego-Sieiro, E. and Robles
                       Sánchez, C. and Rodríguez-Reneda, L. and Schmiemann, G.
                       and Sorribes Lopez, J. and Spasovska, A. and Stanic, J. and
                       Stefanescu, S. and Tiljak, A. and Valero Suau, A. and Vila
                       Rigat, R. and Volkenand, K. and Wöbkenberg, J.",
      title         = "{External validation of multidimensional prognostic
                       indices (ADO, BODEx and DOSE) in a primary care
                       international cohort (PROEPOC/COPD cohort)}",
      year          = "2016",