Gómez Chávez LFJ, López Haro J, Pelayo Zavalza AR, Aguirre Rodríguez LE. Encuesta Nacional de Tendencias Fitness para México en 2021 (National Survey of Fitness Trends in Mexico for 2021). Retos [Internet]. 2021 Oct. 1 [cited 2025 Dec. 16];42:453-1. Available from: http://revistaretos.org/index.php/retos/article/view/85947