Cossio-Bolaños MA, Vidal-Espinoza R, Sulla-Torres J, Luarte-Rocha C, Pacheco-Carrillo J, Gomez-Campos R. Validez, confiabilidad y percentiles de un cuestionario que mide los niveles de actividad en adolescentes que viven a moderada altitud del Perú (Validity, reliability, and percentiles of a questionnaire measuring activity levels in adolescents living at. Retos [Internet]. 2019 Jul. 1 [cited 2025 Dec. 16];36:441-5. Available from: http://207.180.252.49/index.php/retos/article/view/69226