Orlyk, N. A., A. I. Bosenko, and K. A. Filiptcova. 2017. “Dynamics of Physical Efficiency of Girls Aged 17-22 During the Ovarian-Menstrual Cycle”. Cherkasy University Bulletin: Biological Sciences Series, no. 2 (December):54-61. https://bio-ejournal.cdu.edu.ua/article/view/2066.