Grøntvedt, T., Engebretsen, L., Benum, P., & Anda, S. (1995). Extraarticular transposition of the patellar tendon for anterolateral instability of the knee:Poor results in 52 patients after 5-14-year follow-up. Acta Orthopaedica, 66(4), 321–324. https://doi.org/10.3109/17453679508995553