Babijchuk, V. G. “Content of Cytokines in Blood Serum After Rhythmic Cold Effects”. Problems of Cryobiology and Cryomedicine, vol. 17, no. 4, Dec. 2007, pp. 356-64, http://cryo.org.ua/journal/index.php/probl-cryobiol-cryomed/article/view/482.