S. V. Koschiy, 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”, Probl Cryobiol Cryomed, vol. 23, no. 2, pp. 116–123, Jun. 2013.