Akhil Agarwal, Neelima Mehrotra, J.S. Verma, Amrita Mishra, Puja, and Mohd Uzair Zakai. “Peripheral Keratitis - Mooren’s Ulcer”. UP Journal of Ophthalmology, vol. 5, no. 01, Aug. 2017, pp. 77-82, https://upjo.org/index.php/upjo/article/view/336.