Peterson, L. and 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), pp. 680–685. doi: 10.3109/17453677608988760.