BOMBUSHKAR, Igor, GOZHENKO, Anatoliy, KORDA, Mykhaylo, ŻUKOW, Xawery and POPOVYCH, Igor. Relationships between plasma levels of nitrogenous metabolites and some psycho-neuro-endocrine parameters. Journal of Education, Health and Sport. Online. 30 June 2022. Vol. 12, no. 6, pp. 365-383. [Accessed 7 July 2025]. DOI 10.12775/JEHS.2022.12.06.036.