ABU ELHASSAN, Usama E. et al. Utility of the 4C ISARIC mortality score in hospitalized COVID-19 patients at a large tertiary Saudi Arabian center. Multidisciplinary Respiratory Medicine, [S. l.], v. 18, n. 1, 2023. DOI: 10.4081/mrm.2023.917. Disponível em: https://mrmjournal.org/index.php/mrm/article/view/917. Acesso em: 14 may. 2025.