Arya, S., C. Malhotra, R. Bhatia, and S. Sood. “Herpes Simplex Keratitis - an Unusual Clinical Presentation”. Nepalese Journal of Ophthalmology, vol. 1, no. 2, Sept. 2010, pp. 136-8, doi:10.3126/nepjoph.v1i2.3689.