Petrenko, Y. A., Tarasov, A. I., Grischenko, V. I., & Petrenko, A. Y. (2002). Cryopreservation Effect on Immunologic Activity and Phenotypic Composition of Human Embryonic Liver Lymphoid Cells. Problems of Cryobiology and Cryomedicine, (4), 76–79. Retrieved from http://cryo.org.ua/journal/index.php/probl-cryobiol-cryomed/article/view/993