Universidad de Zaragoza Repository

@article{Calleja-Romero:108337,
      author        = "Calleja-Romero, A. and López-Laval, I. and Sitko, S. and
                       Hernando, D. and Vicente-Rodríguez, G. and Bailón, R. and
                       Garatachea, N.",
      title         = "{Effects of a 75-km mountain ultra-marathon on heart rate
                       variability in amateur runners}",
      year          = "2020",
}