A. MOHAMMAD, J. Relation of Serum Antioxidants in patients with Periodontal Disease Status. Journal of Education and Science (JES), [S. l.], v. 24, n. 1, p. 29–36, 2011. DOI: 10.33899/edusj.2011.51500. Disponível em: https://ojs.uomosul.edu.iq/index.php/edusj/article/view/23897. Acesso em: 6 aug. 2025.