Petrenko, Y. A., N. A. Gorokhova, B. P. Sandomirsky, and A. Y. Petrenko. “The Determination of Metabolic Activity of Freshly Isolated and Cryopreserved Human Fetal Liver Cells Using Alamar Blue Test”. Problems of Cryobiology and Cryomedicine, vol. 15, no. 4, Dec. 2005, pp. 599-06, https://cryo.org.ua/journal/index.php/probl-cryobiol-cryomed/article/view/1208.