D. R. S.M., D. J. H.R., and D. S. G.V., “The Study of Median and Lateral Articular Facets of Atlas Vertebra For Dens: Articular Facets of Atlas Vertebra For Dens”, Natl J Integr Res Med, vol. 2, no. 2, pp. 43–45, Jun. 2011.