THE APPEARANCE OF AN ULCER IN THE ORAL CAVITY. International journal of medical sciences, [S. l.], v. 5, n. 01, p. 110–113, 2025. DOI: 10.55640/. Disponível em: https://www.academicpublishers.org/journals/index.php/ijms/article/view/2396.. Acesso em: 19 oct. 2025.