Johnson, S., and J. Ignasious. “Demographic and Clinical Profile of Vernal Keratoconjunctivitis and Testing of Health Related Quality of Life in a Tertiary Hospital in South India”. International Journal of Research in Medical Sciences, vol. 8, no. 6, May 2020, pp. 2136-9, doi:10.18203/2320-6012.ijrms20202256.