Validation of Snort-spit Saliva in Detecting COVID-19 Using RT-PCR and Rapid Antigen Detection Test. Acta Medica Philippina, [S. l.], v. 55, n. 2, 2021. DOI: 10.47895/amp.v55i2.2779. Disponível em: https://actamedicaphilippina.upm.edu.ph/index.php/acta/article/view/2779. Acesso em: 24 apr. 2025.