title: Corneal cross-linking combined with intrastromal corneal ring implantation for progressive keratoconus.
authors.forename: Zisis
authors.initials: Z
authors.lastname: Gatzioufas
mesh_terms: D003094:Collagen / Q000378:metabolism*; D003319:Corneal Stroma / Q000378:metabolism* / Q000601:surgery*; D003432:Cross-Linking Reagents / Q000627:therapeutic use*; D005260:Female; D006801:Humans; D007640:Keratoconus / Q000628:therapy*; D008297:Male; D019919:Prosthesis Implantation
chemical_list: D003432:Cross-Linking Reagents; D003094:Collagen