title: Author reply: To PMID 22683058.
authors: George D
authors: GD
authors: Kymionis
authors: Michael A
authors: MA
authors: Grentzelos
authors: Vardhaman P
authors: VP
authors: Kankariya
mesh_terms: D003094:Collagen / Q000378:metabolism*; D003319:Corneal Stroma / Q000378:metabolism*; D003432:Cross-Linking Reagents / Q000627:therapeutic use*; D005260:Female; D006801:Humans; D007640:Keratoconus / Q000188:drug therapy* / Q000601:surgery*; D054018:Lasers, Excimer / Q000627:therapeutic use*; D008297:Male; D018903:Photorefractive Keratectomy
chemical_list: D003432:Cross-Linking Reagents; D003094:Collagen