Gorokhova, N. A., and Yu. A. Petrenko. 2005. “Alamar Blue Test As a Method of Assessing Cells Viability Before and After Cryopreservation”. Problems of Cryobiology and Cryomedicine 15 (4):728-29. https://cryo.org.ua/journal/index.php/probl-cryobiol-cryomed/article/view/1236.