@article{Iguacel:112466,
      author        = "Iguacel, I. and Álvarez-Najar, J. P. and Vásquez, P. C.
                       and Alarcón, J. and Orte, M. Á. and Samatán, E. and
                       Martínez Jarreta, B.",
      title         = "{Citizen stance towards mandatory COVID-19 vaccination and
                       vaccine booster doses: a study in Colombia, El Salvador and
                       Spain}",
      year          = "2022",
}