title: Persistent corneal epithelial defects.
mesh_terms: D003315:Cornea / Q000473:pathology* / Q000502:physiology / Q000648:ultrastructure; D003316:Corneal Diseases / Q000209:etiology / Q000473:pathology* / Q000628:therapy; D006801:Humans; D007634:Keratitis / Q000473:pathology