. S. A. Rattan, “The natural courses of keratometric, pachymetric and visual acuity outcomes during 1year follow up after corneal collagen cross-linking”, Al-Kindy Col. Med. J, vol. 12, no. 1, pp. 74–78, Jun. 2016, Accessed: May 05, 2024. [Online]. Available: https://jkmc.uobaghdad.edu.iq/index.php/MEDICAL/article/view/347