E. I. Alarcón Meza and J. A. Hall-López, “Actividad física en estudiantes deportistas universitarios, previo y en el confinamiento por pandemia asociada al COVID-19 (Physical activity in university student athletes, prior and in confinement due to pandemic associated with COVID-19)”, Retos, vol. 39, pp. 572–575, Jan. 2021, doi: 10.47197/retos.v0i39.81293.