WORLD HEALTH ORGANIZATION. The Corona Virus Disease 2019 (COVID-19). Brazilian Journal of Implantology and Health Sciences , [S. l.], v. 4, n. 6, p. 45–46, 2022. Disponível em: https://bjihs.emnuvens.com.br/bjihs/article/view/226. Acesso em: 12 out. 2025.