@article{Cupeiro:101517,
      author        = "Cupeiro, R. and Rojo-Tirado, M.A. and Cadenas-Sanchez, C.
                       and Artero, E.G. and Peinado, A.B. and Labayen, I. and
                       Dorado, C. and Arias-Palencia, N.M. and Moliner-Urdiales,
                       D. and Vidal-Conti, J. and Conde-Caveda, J. and
                       Mora-Gonzalez, J. and Vicente-Rodríguez, G. and Benito,
                       P.J.",
      title         = "{The relative age effect on physical fitness in preschool
                       children}",
      year          = "2020",
}