Syeda Kubra Kishwar Jafri, Ahsan Ali Khan, Duarte Nuno Crispim Candido, and Muhammad Shahzad Shamim. “A Brief Review of Skull Base Chordomas”. Journal of the Pakistan Medical Association, vol. 73, no. 12, Nov. 2023, pp. 2495-8, doi:10.47391/JPMA.23-103.