Diaz-Nicolas, Jomar, et al. “Prevalence of Dental Caries in 12-Year-Olds in San Pedro De Macorís, DR”. Puerto Rico Health Sciences Journal, vol. 39, no. 2, June 2020, pp. 210-5, https://prhsj.rcm.upr.edu/index.php/prhsj/article/view/1836.