AUTHOR=Soo Jacky , Girard Olivier , Ihsan Mohammed , Fairchild Timothy TITLE=The Use of the SpO2 to FiO2 Ratio to Individualize the Hypoxic Dose in Sport Science, Exercise, and Health Settings JOURNAL=Frontiers in Physiology VOLUME=11 YEAR=2020 URL=https://www.frontiersin.org/journals/physiology/articles/10.3389/fphys.2020.570472 DOI=10.3389/fphys.2020.570472 ISSN=1664-042X