Abrafikova, L. G., T. F. Petrenko, and I. P. Vysekantsev. “Hypothermic Storage and Cryopreservation in Technology of Obtaining Human Skin Fibroblasts”. Problems of Cryobiology and Cryomedicine, vol. 18, no. 1, May 2008, pp. 91-94, https://journal.cryo.org.ua/index.php/probl-cryobiol-cryomed/article/view/459.