Covid -19 aoosciated with Oral Mucosal Manifestation : A Review Article. Journal of Pharmaceutical Negative Results, [S. l.], p. 849–853, 2022. DOI: 10.47750/pnr.2022.13.S07.114. Disponível em: https://www.pnrjournal.com/index.php/home/article/view/2642.. Acesso em: 13 jun. 2026.