Clinical Case: Use of Rectal Ozone Therapy and Ozonized Saline Solution in Patient with Covid-19 Pneumonia. Ozone Therapy Global Journal, [S. l.], v. 11, n. 1, p. 53–68, 2021. Disponível em: https://journal.ozonetherapyglobaljournal.es/index.php/otgj/article/view/56. Acesso em: 23 jun. 2026.