Urquidez-Romero R, Ramírez-Neri D, Ramos-Jiménez A, Rodriguez-Tadeo A, Wall Medrano A, Díaz-Torres BA, et al. Physical activity promotion in children from northern Mexico: effectiveness of an early educational intervention program. Acta Universitaria [Internet]. 2017 May 20 [cited 2026 May 2];27(2):32-8. Available from: https://www.actauniversitaria.ugto.mx/index.php/acta/article/view/1226