Korobeynikov, G. V., L. G. Korobeinikova, T. M. Richok, and V. S. Mischenko. “Aging Peculiarities of Stress Resistance in Elite Athletes”. Cherkasy University Bulletin: Biological Sciences Series, vol. 335, no. 2, Jan. 2016, https://bio-ejournal.cdu.edu.ua/article/view/171.