Vodopianova, L. A., and G. F. Zhegunov. “Cytochemical Detection of Phospholipids in Canine Hematopoietic Bone Marrow Cells After Freezing in Liquid Nitrogen”. Problems of Cryobiology and Cryomedicine 15, no. 3 (September 25, 2005): 581–586. Accessed December 6, 2022. http://cryo.org.ua/journal/index.php/probl-cryobiol-cryomed/article/view/1202.