Bedoya A, Chacón Álvaro. Early treatment of Class II malocclusions with the Klammt’s Elastic Open Activator (KEOA). Case report. Rev Estomatol [Internet]. 2009 Jul. 15 [cited 2024 Jul. 3];17(2). Available from: https://estomatologia.univalle.edu.co/index.php/revista_estomatologia/article/view/5697