Nikku, Risto, YrjáNá Nietosvaara, Pentti E Kallio, Kari Aalto, and Jarl-Erik Michelsson. “Operative Versus Closed Treatment of Primary Dislocation of the Patella Similar 2-Year Results in 125 Randomized Patients”. Acta Orthopaedica 68, no. 5 (January 1, 1997): 419–423. Accessed May 19, 2026. https://actaorthop.org/actao/article/view/20761.