Payza, Umut, Zeynep Karakaya, Fatih Esad Topal, Pinar Yesim Akyol, Rezan Tahtaci, Ahmet Kayali, and Serkan Bilgin. “Clinical Benefits of Shock Index and Modified Shock Index in Pulmonary Embolism for 30-Day Mortality Prognosis”. Annals of Medical Research 26, no. 9 (May 25, 2021): 1885–1889. Accessed July 22, 2024. http://annalsmedres.org/index.php/aomr/article/view/1721.