Shah, Shreyas, Sujatha Mohan, Mohan Rajan, Bina John, and Vini Badlani. “Our Experience With Athens Protocol - Simultaneous Topo-Guided Photorefractive Keratectomy Followed by Corneal Collagen Cross Linking for Keratoconus”. International Journal of Research in Medical Sciences 4, no. 7 (January 3, 2017): 2639–2644. Accessed October 11, 2025. https://www.msjonline.org/index.php/ijrms/article/view/980.