Farzana, F., B. A. Shah, S. A. Bhat, and S. Shahdad. “Do Universal Critical Spine Dimensions Exist?”. Italian Journal of Anatomy and Embryology, vol. 123, no. 3, May 2019, pp. 282-7, https://oajournals.fupress.net/index.php/ijae/article/view/1666.