title: Orphan drugs.
authors.forename: Gary D
authors.initials: GD
authors.lastname: Novack
mesh_terms: D017277:Drug Approval; D016527:Drug Costs; D005128:Eye Diseases / Q000188:drug therapy*; D006801:Humans; D009965:Orphan Drug Production / Q000191:economics / Q000331:legislation & jurisprudence*; D014481:United States; D014486:United States Food and Drug Administration / Q000331:legislation & jurisprudence