Aguirre Escobar, Guillermo Alfonso, et al. “Perception of Final Year Students on the Methodology and Biosafety Protocol for COVID-19 at the School of Dentistry, Universidad De El Salvador”. Revista Minerva, vol. 5, no. 3, Dec. 2022, pp. 48-56, doi:10.5377/revminerva.v5i3.15819.