Muren, O. et al. 1995. Reconstruction of old anterior cruciate ligament injuries: No difference between the Kennedy LAD-method and traditional patellar tendon graft in a prospective randomized study of 40 patients with 4-year follow-up. Acta Orthopaedica. 66, 2 (Jan. 1995), 118–122. DOI:https://doi.org/10.3109/17453679508995503.