Almeida, H. G., R. Y. Hida, and N. Kara Junior. “ Review of Developments in Corneal Transplantation in the Regions of Brazil - Evaluation of Corneal Transplants in Brazil ”. Clinics, vol. 71, no. 9, Sept. 2016, pp. 537-43, doi:10.6061/clinics/2016(09)09.