Abrafikova, L. G., T. F. Petrenko, and I. P. Vysekantsev. 2008. “Hypothermic Storage and Cryopreservation in Technology of Obtaining Human Skin Fibroblasts”. Problems of Cryobiology and Cryomedicine 18 (1):91-94. https://cryo.org.ua/journal/index.php/probl-cryobiol-cryomed/article/view/459.