KUCHMA, Igor, GOZHENKO, Anatoliy, RUZHYLO, Sofiya, KOVALCHUK, Galyna, NAHURNA, Yaryna, ZUKOW, Walery and POPOVYCH, Igor. Immunotropic effects of nitrogenous metabolites in healthy humans. Journal of Education, Health and Sport. Online. 30 May 2021. Vol. 11, no. 5, pp. 197-206. [Accessed 30 June 2024]. DOI 10.12775/JEHS.2021.11.05.020.