V, L.; SINGH, V. .; VINUTHA. Role of PAO2/FIO2 Ratio at Admission as Predictors of Respiratory Failure in Covid-19 Patients. Journal of Current Medical Research and Opinion, [S. l.], v. 5, n. 07, p. 1276–1280, 2022. DOI: 10.52845/CMRO/2022/5-7-1. Disponível em: https://cmro.in/index.php/jcmro/article/view/533. Acesso em: 20 may. 2024.