Park HR, Lee JM, Park K, Kim JH, Jeong SS, Kim JW, Chung H, Kim DG, Paek SH.  Fractionated Gamma Knife Radiosurgery as Initial Treatment for Large Skull Base Meningioma.  Exp Neurobiol 2018;27:245-255.  https://doi.org/10.5607/en.2018.27.3.245