TY - GEN AU - Lippe,P M TI - Implantable neurosurgical drug delivery systems SN - 0093-0415 PY - 1991///0130 KW - Central Nervous System KW - Drug Therapy KW - methods KW - Drug Tolerance KW - Infusion Pumps, Implantable KW - Narcotics KW - administration & dosage N1 - Publication Type: Journal Article ER -