Ballesteros Sarabia, Laura Helena, Marcela Baquero Zea, María Fernanda Serpa Vélez, and Jorge Enrique Delgado Troncoso. 2021. “Healing of Periradicular Tissues at 1-24 Months When Retro-Obturated With Amalgam Without Zinc or MTA. Case Report”. Universitas Odontologica 24 (54-55): 15-25. https://revistas.javeriana.edu.co/index.php/revUnivOdontologica/article/view/16222.