Skorobogatova, N. G., N. A. Volkova, and A. Yu. Petrenko. 2005. “Cryosensitivity of Hematopoietic and Stromal Progenitor Cells in Primary Suspension of Human Embryonic Liver Cells”. Problems of Cryobiology and Cryomedicine 15 (3):577-80. https://cryo.org.ua/journal/index.php/probl-cryobiol-cryomed/article/view/1201.