Marmanillo Mendoza, G., Zuñiga Manrique, R.E.J., Cornejo Del Valle, O.E. and Portilla Canqui, L.A. 2022. SatO2/FiO2 rate versus PaO2/FiO2 rate for predicting mortality in patients with COVID-19 in a high-altitude hospital. ACTA MEDICA PERUANA. 38, 4 (Feb. 2022). DOI:https://doi.org/10.35663/amp.2021.384.2033.