Shah S, Mohan S, Rajan M, John B, Badlani V. Our experience with Athens protocol - simultaneous topo-guided photorefractive keratectomy followed by corneal collagen cross linking for keratoconus. Int J Res Med Sci [Internet]. 2017 Jan. 3 [cited 2025 Oct. 11];4(7):2639-44. Available from: https://www.msjonline.org/index.php/ijrms/article/view/980