Ryazantsev, V. V., L. A. Babijchuk, O. L. Zubova, and T. M. Gurina. “Cord Blood Cryopreservation With PEO-1500”. Problems of Cryobiology and Cryomedicine 17, no. 3 (October 25, 2007): 256–262. Accessed May 17, 2024. http://journal.cryo.org.ua/index.php/probl-cryobiol-cryomed/article/view/497.