Role of minor autohemotherapy in the prevention of COVID-19 in institutionalized elderly. Case report. Ozone Therapy Global Journal, [S. l.], v. 11, n. 1, p. 97–111, 2021. DOI: 10.67442/egd45b17. Disponível em: https://journal.ozonetherapyglobaljournal.es/index.php/otgj/article/view/60. Acesso em: 23 aug. 2026.