BERLEMANN, Ulrich; SCHWARZENBACH, Othmar. Dens fractures in the elderly: Results of anterior screw fixation in 19 elderly patients. Acta Orthopaedica, [S. l.], v. 68, n. 4, p. 319–324, 1997. DOI: 10.3109/17453679708996169. Disponível em: https://actaorthop.org/actao/article/view/20749. Acesso em: 6 may. 2026.