Corneal transplantation.
D016039:Corneal Transplantation; D006649:Histocompatibility Antigens; D006650:Histocompatibility Testing; D006801:Humans; D007111:Immunity, Cellular; D014181:Transplantation Immunology; D014184:Transplantation, Homologous
D006649:Histocompatibility Antigens