Martus, J. E., Femino, J. E., Caird, M. S., Kuhns, L. R., Craig, C. L., & Farley, F. A. (2008). Accessory Anterolateral Talar Facet as an Etiology of Painful Talocalcaneal Impingement in the Rigid Flatfoot: A New Diagnosis. The University of Iowa.

Martus, Jeffrey E., John E. Femino, Michelle S. Caird, Lawrence R. Kuhns, Clifford L. Craig, i Frances A. Farley. Accessory Anterolateral Talar Facet As an Etiology of Painful Talocalcaneal Impingement in the Rigid Flatfoot: A New Diagnosis. The University of Iowa, 2008.

Martus, Jeffrey E., et al. Accessory Anterolateral Talar Facet As an Etiology of Painful Talocalcaneal Impingement in the Rigid Flatfoot: A New Diagnosis. The University of Iowa, 2008.