Bozhok, G. A. “Effect of Intraportal Administration of Cryopreserved Splenocytes on Thyroid Gland Tissue Allograft Survival”. Problems of Cryobiology and Cryomedicine, vol. 21, no. 3, Sept. 2011, pp. 330-7, https://cryo.org.ua/journal/index.php/probl-cryobiol-cryomed/article/view/131.