Bilko, N. M., S. V. Vasilovskaya, D. I. Bilko, and I. A. Votyakova. “Role of Flt-3 Growth Factor in Regulation of AC133+ Cells of Cord Blood Proliferative Activity”. Problems of Cryobiology and Cryomedicine, vol. 18, no. 3, Nov. 2008, pp. 352-4, https://journal.cryo.org.ua/index.php/probl-cryobiol-cryomed/article/view/409.