Korolkov, Oleksandr. “Use of a Domestic Device for Automatic Training of Movements in the Knee and Hip Joints in Children”. ORTHOPAEDICS TRAUMATOLOGY and PROSTHETICS, no. 4 (April 14, 2010): 19–23. Accessed April 27, 2024. http://otp-journal.com.ua/article/view/11491.