Koschiy, S. V., A. N. Goltsev, I. P. Vysekantsev, V. F. Martsenyuk, T. M. Gurina, and L. V. Sokol. “Protective Effect of Methylcellulose During Cryopreservation of Inoculated Cells in Serum-Free Medium”. Problems of Cryobiology and Cryomedicine, vol. 23, no. 2, June 2013, pp. 116-23, http://cryo.org.ua/journal/index.php/probl-cryobiol-cryomed/article/view/28.