Peterson, L., & Stener, B. (1976). Distal Disinertion of the Patellar Ligament Combined with Avulsion Fractures at the Medial and Lateral Margins of the Patella a Case Report and an Experimental Study. Acta Orthopaedica, 47(6), 680–685. https://doi.org/10.3109/17453677608988760