Retracted: Saliva: A systematic review on its diagnostic utility. International Journal of Biomedical Research, [S. l.], v. 9, n. 1, p. 26–31, 2018. DOI: 10.7439/ijbr.v9i1.4233. Disponível em: https://www.ssjournals.co.in/index.php/ijbr/article/view/4233. Acesso em: 15 mar. 2026.