Gingival melanosis physiology: depigmentation with trichloroacetic acid. A case report. Revista Nacional de Odontología, [S. l.], v. 18, n. 1, p. 1–9, 2022. DOI: 10.16925/2357-4607.2022.01.09. Disponível em: https://revistas.ucc.edu.co/index.php/od/article/view/4170.. Acesso em: 3 jul. 2024.