Rose, N., Sriram, R.B., G S, K., M J, S. and Sudheer R 2022. An observational study of simultaneous pulse oximetry and arterial oxygen saturation readings in intensive care unit/high dependency unit in COVID-19 patients. Asian Journal of Medical Sciences. 13, 3 (Mar. 2022), 18–22. DOI:https://doi.org/10.3126/ajms.v13i3.41218.