K. J., Jasmine, P. C. Rajeev, Siju V. Abraham, and Salish Varghese. “Clinical Prognostication of Out-of-Hospital Cardiac Arrest: Insight from a Prospective Observational Study Using the Shockable, Witnessed, Age and PH Score”. International Journal of Research in Medical Sciences 11, no. 12 (November 29, 2023): 4429–4433. Accessed October 14, 2025. https://www.msjonline.org/index.php/ijrms/article/view/12861.