S Subhagya, D, and Keshavamurthy. C. “Challenges Faced in Extracting Raw SpO2 Sensor Data”. International Journal of Engineering and Technology 7, no. 3.12 (July 20, 2018): 1030–1032. Accessed February 11, 2026. https://www.sciencepubco.com/index.php/IJET/article/view/17626.