JOSE, J. M.; KUMARAN, J. A. Duration of viral clearance and factors associated with viral clearance among COVID-19 patients admitted in a tertiary care center in north Kerala. International Journal Of Community Medicine And Public Health, [S. l.], v. 9, n. 4, p. 1709–1714, 2022. DOI: 10.18203/2394-6040.ijcmph20220842. Disponível em: https://www.ijcmph.com/index.php/ijcmph/article/view/9370. Acesso em: 28 oct. 2025.