title: [What are the stakes for a perennial drug?].
authors.forename: P
authors.initials: P
authors.lastname: Errard
mesh_terms: D003879:Dermatologic Agents; D017277:Drug Approval; D004345:Drug Industry; D011307:Drug Prescriptions; D005060:Europe; D006801:Humans
chemical_list: D003879:Dermatologic Agents