Khadka, S., G. B. Shrestha, P. Gautam, and J. B. Shrestha. “Orbital Teratoma: A Rare Congenital Tumour”. Nepalese Journal of Ophthalmology, vol. 9, no. 1, June 2017, pp. 79-82, doi:10.3126/nepjoph.v9i1.17540.