Киселев, А. and Кротенков, П. (2007) “Posttraumatic axis dens pseudoarthrosis: report of 12 cases managed via modified craniocervical fusion and anterior screw fixation”, Bulletin of the International Scientific Surgical Association, 2(2-3), pp. 27-31. Available at: http://surgjournal.ru/index.php/BISSA/article/view/193 (Accessed: 3August2020).