De Vuono, S. et al. 2022. The PaCO2/FiO2 ratio as outcome predictor in SARS-COV-2 related pneumonia: a retrospective study. Acta Biomedica Atenei Parmensis. 93, 5 (Oct. 2022), e2022256. DOI:https://doi.org/10.23750/abm.v93i5.13229.