Kjœrsgaard-Andersen, Per, Jon-Oddvar Wethelund, Peter Helmig, and Strange Nielsen. 1987. “Effect of the Calcaneofibular Ligament on Hindfoot Rotation in Amputation Specimens”. Acta Orthopaedica 58 (2):135-38. https://doi.org/10.3109/17453678709146459.