S. Thatte, A. . Varma, S. . Kapadia, S. . Paliwal, and A. Vasudeo, “Impression Cytology Screening for Ocular Surface changes in various forms of Vernal Keratoconjunctivitis in Subtropical Central Zone in India”, Nep J Oph, vol. 13, no. 2, pp. 105–117, Jun. 2021.