Anderson, Jayne L, et al. “Changes in Muscle Torque Following Anterior Cruciate Ligament Reconstruction: A Comparison Between Hamstrings and Patella Tendon Graft Procedures on 45 Patients”. Acta Orthopaedica, vol. 73, no. 5, Jan. 2002, pp. 546-52, doi:10.1080/000164702321022820.