HRYTSAK, Yaroslav L, BARYLYAK, Liliya G, ZUKOW, Walery and POPOVYCH, Igor L. Cluster analysis of hormonal constellation at women and men with harmonious and disharmonious general adaptation reactions. Journal of Education, Health and Sport. Online. 3 May 2016. Vol. 6, no. 4, pp. 141-150. [Accessed 10 January 2025].