MANFRED, D. Effective Natural Remedies Against Covid-19 Virus and Long Covid Syndrome. International journal of Complementary and Internal Medicine, [S. l.], v. 4, n. 1, p. 135–137, 2023. Disponível em: https://ijcimjournal.com/index.php/1/article/view/28. Acesso em: 9 jun. 2023.