A systematic review of Ferrara's ring in the treatment of keratoconus.
El Dib
Regina P
RP
de Freitas
Denise
D
D006801:Humans; D003319:Corneal Stroma / Q000601:surgery; D007640:Keratoconus / Q000601:surgery; D019736:Prostheses and Implants; D019919:Prosthesis Implantation