Prevalence of periodontal disease in pregnant patients: a systematic review. World Health Journal, [S. l.], v. 3, n. 1, p. 21–29, 2022. DOI: 10.47422/whj.v3i1.23. Disponível em: https://revistamedical.com/index.php/whj/article/view/23.. Acesso em: 5 may. 2024.