“Physics-Informed Neural Networks (PINNs) for Interpretable Parametric Estimation of SpO₂ and Respiratory Waveforms in Sleep Apnea Diagnostics”, TSP, vol. 2, no. 2, Jun. 2026, Accessed: Jun. 27, 2026. [Online]. Available: https://www.thesciencepostjournal.com/index.php/tsp/article/view/145