Sarici, A., M. A. Erkurt, I. Kuku, S. Bicim, I. Berber, E. Kaya, and M. Ozgul. “Life Saving Effect of Early Use of Convalescent Plasma in Covid-19 Treatment”. Annals of Medical Research, vol. 28, no. 12, Dec. 2021, pp. 2242-7, http://www.annalsmedres.org/index.php/aomr/article/view/4009.