title: Evergreening: a common practice to protect new drugs.
authors: Harvard Law School, USA. kategaudry@gmail.com
authors: Kate S
authors: KS
authors: Gaudry
mesh_terms: D017277:Drug Approval / Q000379:methods*; D004345:Drug Industry; D010330:Patents as Topic; D014481:United States; D014486:United States Food and Drug Administration