Ilkkilic, K., O. Cure, H. Beyazal Polat, B. Sen, E. Aydin, U. Avci, and D. Tufekci. “Factors Affecting Mortality in COVID-19 Patients Treated With Intravenous Immunoglobulin”. Annals of Medical Research, vol. 30, no. 8, Aug. 2023, pp. 929-33, http://www.annalsmedres.org/index.php/aomr/article/view/4496.