Berlemann, Ulrich, and Othmar Schwarzenbach. “Dens Fractures in the Elderly: Results of Anterior Screw Fixation in 19 Elderly Patients”. Acta Orthopaedica 68, no. 4 (January 1, 1997): 319–324. Accessed May 6, 2026. https://actaorthop.org/actao/article/view/20749.