author        = "Sanfélix-Gimeno, G. and Librero-López, J. and
                       Modroño-Riaño, G. and Peiró, S. and Rodríguez-Bernal,
                       C.L. and Celaya, M.C. and Aza, M. and Pradas, F. and
                       Bernal-Delgado, E. and Cabañas, A.L. and Maizal, M.E. and
                       Calvo, C.B. and López, T.M. and Alemán, C.S. and Vela, C.
                       and Pacheco, L.P. and Lirola, M.Á.G. and Ruiz, F.R. and
                       Riaño, G.M. and Martín, M.V.M. and Castaño, E. and
                       Pérez, M.D.F. and Bilbao, J.L.A. and Berenguer, J.A.D. and
                       Francés, A.E. and Cabeza, A. and Trujillo, C.D. and
                       Martín, N. and Ceruelo, J. and Magem, D. and Robles,
                       G.A.S. and Sainz, L. and Fernández, F. and Montes, G. and
                       Martos, E.C. and Mataix, Á. and Delicado, R.H. and Sanz,
                       M.A. and Sitges, L.M. and Andía, A.A. and Parra, F.J.G.
                       and GorrichoMendivil, J. and López, J.E. and Barandiarán,
                       F.A. and Picado, A.L. and Artaza, E.R.V. and Iribar, J. and
                       Cuñado, M.A. and Librero, S.P.J. and García-Gil, M.",
      title         = "{Variation in antiosteoporotic drug prescribing and
                       spending across Spain. A population-based ecological
                       cross-sectional study}",
      year          = "2018",