@article{Andrés-Esteban:136398,
      author        = "Andrés-Esteban E.M. and Quintana-Diaz M. and
                       Ramírez-Cervantes K.L. and Benayas-Peña I. and
                       Silva-Obregón A. and Magallón-Botaya R. and
                       Santolalla-Arnedo I. and Juárez-Vela R. and Gea-Caballero
                       V.",
      title         = "{Outcomes of hospitalized patients with COVID-19 according
                       to level of frailty}",
      year          = "2021",
}