title: Focal or diffuse PTK?
authors.forename: I
authors.initials: I
authors.lastname: Kremer
authors.forename: M
authors.initials: M
authors.lastname: Blumenthal
mesh_terms: D003316:Corneal Diseases / Q000601:surgery*; D006801:Humans; D054018:Lasers, Excimer; D018903:Photorefractive Keratectomy / Q000379:methods*; D012008:Recurrence