K. S., S., M. Usman, D. Malik, M. Aseem, and M. G. Mulla. “Medial Patellofemoral Ligament Reconstruction for Patellofemoral Instability: A New Surgical Technique”. International Journal of Research in Orthopaedics, vol. 7, no. 4, June 2021, pp. 843-7, doi:10.18203/issn.2455-4510.IntJResOrthop20212434.