Petrenko, Yu. A. “Cryopreservation of Human Embryonic Liver Cells Using DMSO and High Molecular Weight Polymers”. Problems of Cryobiology and Cryomedicine, no. 3 (September 25, 2003): 80–87. Accessed May 5, 2024. http://cryo.org.ua/journal/index.php/probl-cryobiol-cryomed/article/view/1063.