Afanasyev S, Burdayev K. Formation of the vertical stability of the body of junior schoolchildren with hearing impairments in the process of physical education. J Educ Health Sport [Internet]. 2017 Jun. 30 [cited 2024 Dec. 26];7(6):1169-78. Available from: https://apcz.umk.pl/JEHS/article/view/5501