Luchev, Georgi, Svetoslav Slavchev, Boycho Landzhov, and Georgi Georgiev. “Translation, Cultural Adaptation, and Validation of the Bulgarian Version of the Forgotten Joint Score-12 (FJS-12) in Patients With Knee Osteoarthritis After Unicompartmental Knee Arthroplasty”. Proceedings of the Bulgarian Academy of Sciences 79, no. 6 (June 26, 2026): 816–824. Accessed November 3, 2026. https://proceedings.bas.bg/index.php/cr/article/view/1002.