Tarasov, A. I., A. Y. Petrenko, V. I. Grischenko, and D. E. Jones. “Post-Thaw Viability of Human Fetal Liver Cells of Different Fenotype”. Problems of Cryobiology and Cryomedicine, no. 3, Sept. 2002, pp. 36-41, http://cryo.org.ua/journal/index.php/probl-cryobiol-cryomed/article/view/957.