Sotello, David, Shengping Yang, and Kenneth Nugent. “Comparison of the Shock Index, Modified Shock Index, and Age Shock Index in Adult Admissions to a Tertiary Hospital”. The Southwest journal of medicine 7, no. 28 (April 19, 2019): 18-23. Accessed June 26, 2026. https://pulmonarychronicles.com/index.php/pulmonarychronicles/article/view/539.