Stougård, J. “Chondromalacia of the Patella: Incidence, Macroscopical and Radiographical Findings at Autopsy”. Acta Orthopaedica 46, no. 5 (January 1, 1975): 809–822. Accessed May 20, 2026. https://actaorthop.org/actao/article/view/29534.