Chalco castillo NS, Ruiz Nizama JL, Morales Chalco OR, Salazar Montenegro J, Guevara Valdiviezo Y, Riquez Livia DP, et al. Nivel de actividad física de adolescentes en establecimientos educativos privados de nivel secundario en la ciudad de Lima tras el periodo de confinamiento por COVID-19 (Level of physical activity of adolescents in private secondary educational establishments in the city of Lima after the period of confinement due to COVID-19). Retos [Internet]. 2024 Oct. 2 [cited 2026 Jun. 10];59:32-8. Available from: https://revistaretos.org/index.php/retos/article/view/108313