Kaliaperumal, R. D. ., A. . Purushothaman, T. . Krishnan, and Shivananda. “The Short Term Visual, Refractive and Topographic Outcome of Corneal Collagen Crosslinking in Keratoconus”. Asian Journal of Medical Sciences, vol. 12, no. 11, Nov. 2021, pp. 66-70, doi:10.3126/ajms.v12i11.38768.