Kulik, V. V., G. O. Babiichuk, V. G. Babiichuk, N. G. Malova, and L. A. Sirotenko. “Impact of Various Regimens of Rhythmic Extreme Cold Exposures on Hormone and Lipid Content in Blood Serum of Young and Aged Rats”. Problems of Cryobiology and Cryomedicine, vol. 29, no. 3, Sept. 2019, pp. 206-20, doi:10.15407/cryo29.03.206.