محمد حسن زينة, and محمد محسن ذاكر. “Results of Corneal Collagen Cross-Linking With Riboflavin and Ultraviolet-A Light for Patients With Keratoconus in Ramadi City”. Tikrit Journal of Pharmaceutical Sciences, vol. 7, no. 1, Apr. 2023, pp. 83-89, doi:10.25130/tjphs.2011.7.1.11.83.89.