Strand, T., A. Alho, T. S. Raugstad, and A. J. Bjersand. “Patellofemoral Disorders Treated by Operations”. Acta Orthopaedica 54, no. 6 (June 6, 1983): 914–916. Accessed May 31, 2026. https://actaorthop.org/actao/article/view/23686.