COVID -19: The Role of the Periodontologist. Nigerian Dental Journal, [S. l.], v. 28, n. 1, p. 60–63, 2020. DOI: 10.61172/ndj.v28i1.91. Disponível em: https://nigeriandentaljournal.ng/index.php/ndj/article/view/91. Acesso em: 2 apr. 2025.