Rodionova, V. L., N. N. Chub, and T. Y. Schegoleva. “Effect of Epinephrine on Human Spermatozoa Motility at Low Temperature Preservation Stages”. Problems of Cryobiology and Cryomedicine, vol. 18, no. 1, May 2008, pp. 54-57, https://journal.cryo.org.ua/index.php/probl-cryobiol-cryomed/article/view/449.