Abu Elhassan UE, Alqahtani SM, Al Saglan NS, Hawan A, Alqahtani FS, Almtheeb RS, et al. Utility of the 4C ISARIC mortality score in hospitalized COVID-19 patients at a large tertiary Saudi Arabian center. Multidiscip Respir Med [Internet]. 2023 Aug. 4 [cited 2024 Jul. 7];18(1). Available from: https://mrmjournal.org/index.php/mrm/article/view/917