Acar , H. .; Kayalı , A. .; Bilgin , S. .; Yamanoğlu , A. .; Karakaya , Z. .; Topal , F. E. .; Acar , K. . Evaluation of the Effectiveness of Quick COVID-19 Severity Index and COVID-GRAM Critical Illness Risk Score in Determining Mortality and Severity in COVID-19: Use of COVID-GRAM and QCSI As an Early Warning Tool for COVID-19. J Surg Med 2022, 6, 956-959.