Vodopianova, L. A., and G. F. Zhegunov. 2005. “Cytochemical Detection of Phospholipids in Canine Hematopoietic Bone Marrow Cells After Freezing in Liquid Nitrogen”. Problems of Cryobiology and Cryomedicine 15 (3):581-86. http://cryo.org.ua/journal/index.php/probl-cryobiol-cryomed/article/view/1202.