S. Munawar, A. Zahid, T. Athar, G. William, and Q. Ul Ain, “Incidence of Sacralization of 5th Lumbar and First Coccygeal Vertebrae: An Osteological Study on Dried Sacra of Pakistani Population”, J Fatima Jinnah Med Univ, vol. 18, no. 3, pp. 138–143, Sep. 2024.