Álvarez-Álvarez DP. Eficacia de brackets autoligados vs. convencionales en reducción de fricción durante cierre de espacios ortodónticos [Efficacy of self-ligating brackets vs. conventional brackets in reducing friction during orthodontic gap closure]. CEOD [Internet]. 2024 Oct. 19 [cited 2026 Jul. 27];2(3):9-16. Available from: https://revistasinstitutoperspectivasglobales.rperspectivasinvestigativas.org/index.php/COD/article/view/159