Effect of Psychological Stress on Salivary Cortisol and Periodontitis. Sulaimani Dental Journal, [S. l.], v. 10, n. 2, p. 9, 2023. DOI: 10.17656/sdj.10172. Disponível em: https://sdj.univsul.edu.iq/index.php/sdj/article/view/sdj-10172.. Acesso em: 3 mar. 2024.