Elías-Boneta, A. R. (2006) “The Prevalence of Pit and Fissure Sealants among Twelve Year Old Living in Puerto Rico during 1997”, Puerto Rico Health Sciences Journal, 25(2). Available at: https://prhsj.rcm.upr.edu/index.php/prhsj/article/view/313 (Accessed: 19 December 2025).