Nikku, Risto, Yrjänä Nietosvaara, Kari Aalto, and Pentti E Kallio. “The Mechanism of Primary Patellar Dislocation”. Acta Orthopaedica 80, no. 4 (January 1, 2009): 432–434. Accessed May 10, 2026. https://actaorthop.org/actao/article/view/18788.