Kalashnykova, M. N., and E. G. Peretyatko. “Integrity of Biological Properties of Enterococcus Bacteria After Cryopreservation”. Problems of Cryobiology and Cryomedicine 18, no. 1 (May 23, 2008): 34–36. Accessed November 22, 2024. https://cryo.org.ua/journal/index.php/probl-cryobiol-cryomed/article/view/445.