M.Yu. Karimov, K.M. Mamatkulov, S.B. Madarakhimov, H.M. Asatullaev, N.R. Kobilov, “Validation of the Uzbek version of the Kujala score in patients with patellofemoral disorders”, IJAST, vol. 29, no. 7, pp. 9483-9487, Jun. 2020.