Kononova О. В. Interrelation between the level of psychological stress and periodontal lesion. Actual Dentistry, Kyiv, Ukraine, n. 5, p. 32–36, 2019. DOI: 10.33295/1992-576X-2018-5-32. Disponível em: https://www.dentalexpert.com.ua/index.php/stomatology/article/view/144. Acesso em: 11 jul. 2026.