Ronan, Le Page, Nguyen Quang Vinh, Goujon Jean-Marc, Poffo Luiz, and Thual Monique. “Comparison of Two Methods for Demodulation of Pulse Signals – Application in Case of Central Sleep Apnea”. Vietnam Journal of Science and Technology 58, no. 3 (May 12, 2020): 328–343. Accessed April 17, 2024. https://vjs.ac.vn/index.php/jst/article/view/14640.