Ansari, A. “Re-Alignment of Operated Anterior Odontoid Screw Displaced Odontoid Type 3 Without Resurgery: An Unusual Case Report With a Brief Review of Literature”. Romanian Neurosurgery, vol. 30, no. 3, Sept. 2016, pp. 391-6, https://journals.lapub.co.uk/index.php/roneurosurgery/article/view/931.