Aguirre-Escobar, G. A.; Rivas-Cartagena, F. J.; Escobar-de-González, W. Y.; Aguirre-de-Rodríguez, K. A. Proposal for a Care Protocol in Exercise Dental Clinics Private Professional in the Framework of the Pandemic by COVID-19, El Salvador 2020. revminerva 2022, 3, 187-229.