Rivera, Winna T., Linnette Rodríguez-Figueroa, and Glena Calderón. “Prevalence of Childhood Obesity in a Representative Sample of Elementary School Children in Puerto Rico by Socio-Demographic Characteristics, 2008”. Puerto Rico Health Sciences Journal 29, no. 4 (November 17, 2010). Accessed October 25, 2025. https://prhsj.rcm.upr.edu/index.php/prhsj/article/view/460.