Goel, A. “Atlanto-Axial Joint Distraction in the Treatment of Select Cases of Basilar Invagination, Syringomyelia and Fixed Atlanto-Axial Dislocation”. Nepal Journal of Neuroscience, vol. 2, no. 1, Jan. 2005, pp. 1-6, doi:10.3126/njn.v2i1.19975.