P. Milz, S. Mhz, M. Steinborn, T. Mittlmeier, R. Putz, and M. Reiser, “Lateral ankle ligaments and tibiofibular syndesmosis: 13-MHz high-frequency sonography and MRI compared in 20 patients”, ActaO, vol. 69, no. 1, pp. 51–55, Jan. 1998.