Fedorchenko, R. A., V. L. Mykhaylenko, V. V. Taranov, and N. S. Badiuk. “Diseases of the Nervous System Among Schoolchildren and Youth in Modern Training Conditions”. Journal of Education, Health and Sport 7, no. 3 (March 29, 2017): 606–613. Accessed April 19, 2024. https://apcz.umk.pl/JEHS/article/view/4443.