Nassi Ribak, Ruth. “Symmetrical First Premolars Extractions in Patients With Severe Crowding: Case Report”. Odontología Vital 1, no. 26 (June 1, 2017): 44–53. Accessed November 14, 2026. https://revistas.ulatina.ac.cr/index.php/odontologiavital/article/view/223.