Alok, S. K., S. Nishtha, Z. S. H. H., and G. Rakesh. “A Study Of Mastoid Foramen In Adult North Indian Crania: A Study Of Mastoid Foramen In Adult North Indian Crania”. National Journal of Integrated Research in Medicine, vol. 4, no. 2, Apr. 2013, pp. 36-38, https://nicpd.ac.in/ojs-/index.php/njirm/article/view/2144.