A retrospective 21-year study of tumoral lip lesions. Acta Scientiarum. Health Sciences, [S. l.], v. 46, n. 1, p. e65590, 2024. DOI: 10.4025/actascihealthsci.v46i1.65590. Disponível em: https://www.periodicos.uem.br/ojs/index.php/ActaSciHealthSci/article/view/65590. Acesso em: 29 maio. 2026.