RESPIRATORY EPITHELIUM: STRUCTURE AND DEFENSE MECHANISMS. International journal of medical sciences, [S. l.], v. 6, n. 4, p. 245–247, 2026. DOI: 10.55640/. Disponível em: https://www.academicpublishers.org/journals/index.php/ijms/article/view/12369.. Acesso em: 16 apr. 2026.