Ali Seyed, M.; Vijayaraghavan, K. Evaluation of an Improved Chitosan Scaffold Cross-Linked With Polyvinyl Alcohol and Amine Coupling Through 1-Ethyl-3-(3-Dimethyl Aminopropyl)-Carbodiimide (EDC) and 2 N-Hydroxysuccinimide (NHS) for Corneal Applications. Open Access Maced J Med Sci 2018, 6, 1561-1570.