Oz, A., T. Cinar, S. Cagan Efe, M. Sait Altintas, B. Ayca, and T. Karabag. “The Predictive Value of the Shock Index and Modified Shock Index for the Short-Term Mortality in Patients With Acute Pulmonary Embolism”. Annals of Medical Research, vol. 27, no. 5, May 2021, pp. 1453-8, http://www.annalsmedres.org/index.php/aomr/article/view/760.