Shoaib, F., Muhammad Furrukh, F. Mushtaq, S. Sayeed, H. Nasir, and H. Ghafoor. “Extra Neural Metastasis of Glioblastoma Multiforme: A Literature Review”. Journal of the Pakistan Medical Association, vol. 73, no. 9, Aug. 2023, pp. 1869-73, doi:10.47391/JPMA.7694.