Application of saliva in COVID-19 diagnosis: Challenges and opportunities. Bangladesh Journal of Medical Science, [S. l.], v. 20, n. 4, p. 697–699, 2021. DOI: 10.3329/bjms.v20i4.54122. Disponível em: https://banglajol.info/index.php/BJMS/article/view/54122. Acesso em: 27 jun. 2026.