Barkov, Alexandr, and Aleksandr Barkov. “Method of Revealing Indications for Surgical Treatment of Posttraumatic Extension Contractions of the Knee Joint”. ORTHOPAEDICS TRAUMATOLOGY and PROSTHETICS, no. 2 (July 8, 2019): 93–96. Accessed May 7, 2024. http://otp-journal.com.ua/article/view/172232.