BRYNDIN, E. . Natural Mechanisms and Methods of Protection Against Coronavirus COVID-19. Journal of Medical Research and Health Sciences, [S. l.], v. 4, n. 2, p. 1182–1186, 2021. DOI: 10.15520/jmrhs.v4i2.316. Disponível em: http://jmrhs.info/index.php/jmrhs/article/view/316. Acesso em: 13 apr. 2021.