title: [New formularies: old narcotics prescriptions are no longer valid as of January!].
authors.forename: Gerd W
authors.initials: GW
authors.lastname: Zimmermann
mesh_terms: D005858:Germany; D006801:Humans; D009294:Narcotics / Q000627:therapeutic use*; D010818:Practice Patterns, Physicians' / Q000331:legislation & jurisprudence*; D055656:Prescriptions
chemical_list: D009294:Narcotics