CARTES-VELASQUEZ, Ricardo Andrés. Numbers and changes.. Journal of Oral Research, [S.l.], v. 4, n. 1, p. 4-5, feb. 2015. ISSN 0719-2479. Available at: <https://joralres.com/index.php/JOralRes/article/view/joralres.2015.001>. Date accessed: 10 may 2024. doi: https://doi.org/10.17126/joralres.2015.001.