Valerio-Alfaro MSc, I., and D. Chavarría-Bolaños MSc, PhD. “Pre-Columbian Dental Modifications in Costa Rica: A Study of Three Archaeological Sites”. Odovtos - International Journal of Dental Sciences, vol. 19, no. 1, Mar. 2017, pp. 69-75, doi:10.15517/ijds.v19i1.28054.