Ramírez, Karol. “Ethical Orientation to Conduct Research Involving Human Participants During COVID-19 Outbreak”. Odovtos - International Journal of Dental Sciences 23, no. 1 (November 24, 2020): 8–9. Accessed July 22, 2024. https://revistas.ucr.ac.cr/index.php/Odontos/article/view/44781.