Thapa, Bikram Bahadur, et al. “Optociliary Shunt Vessel: An Ancillary Ophthalmic Sign Harbingering Optic Nerve Sheath Meningioma”. Nepal Journal of Neuroscience, vol. 16, no. 3, Dec. 2019, pp. 62-64, doi:10.3126/njn.v16i3.27361.