Popovych, Igor, Anatoliy Gozhenko, Igor Kuchma, Walery Zukow, Volodymyra Bilas, Galyna Koval’chuk, and Anzhela Ivasivka. “Immunotropic Effects of so-Called Slag Metabolites (creatinine, Urea, Uric Acid and Bilirubin) at Rats”. Journal of Education, Health and Sport 10, no. 11 (November 30, 2020): 320–336. Accessed April 20, 2024. https://apcz.umk.pl/JEHS/article/view/JEHS.2020.10.11.033.