title: Changing trends in keratoplasty.
authors.forename: David B
authors.initials: DB
authors.lastname: Glasser
mesh_terms: D003316:Corneal Diseases / Q000601:surgery*; D016039:Corneal Transplantation / Q000191:economics / Q000639:trends*; D003362:Cost-Benefit Analysis; D006801:Humans; D015948:Keratoplasty, Penetrating / Q000191:economics / Q000639:trends*