Ten years experience of corneal collagen cross-linking: An observational study of 6120 cases.Published in:European Journal of Ophthalmology, 2021, v. 31, n. 3, p. 951, doi. 10.1177/1120672120928921By:Elmassry, Ahmed;Said Ahmed, Osama Ibrahim;Abdalla, Moones F;Gaballah, KarimPublication type:Article