Brattström, H. 1964. Shape of the Intercondylar Groove Normally and in Recurrent Dislocation of Patella: A Clinical and X-Ray Anatomical Investigation. Acta Orthopaedica. 35, sup68 (May 1964), 1–148. DOI:https://doi.org/10.3109/ort.1964.35.suppl-68.01.