title: Implantable neurosurgical drug delivery systems.
authors: P M
authors: PM
authors: Lippe
mesh_terms: D002490:Central Nervous System; D004358:Drug Therapy / Q000379:methods*; D004361:Drug Tolerance; D015918:Infusion Pumps, Implantable; D009294:Narcotics / Q000008:administration & dosage
chemical_list: D009294:Narcotics