Medina Medina, K., Fernández Rojas, X., Ureña Retana, I., & Reyes Chaves, J. (2017). Environmental factors of two schools with different prevalence of childhood obesity in La Union County, 2015. Población Y Salud En Mesoamérica, 15(1). https://doi.org/10.15517/psm.v15i1.26412