2016. Can pulse oximetric saturation (SpO2)/fraction of inspired oxygen (FiO2) ratio surrogate PaO2/ FiO2 ratio in diagnosing acute respiratory failure?. International Journal of Biomedical and Advance Research. 7, 5 (May 2016), 242–246. DOI:https://doi.org/10.7439/ijbar.v7i5.3263.