1. Intraspinal analgesia: A new route for an old drug;Arnold;J Neurosurg Nurs,1989
2. Cost analysis of two implantable narcotic delivery systems (abstract 142);Bedder,1989
3. Implantable drug-delivery systems;Blackshear;Sci Am,1979
4. Evaluation of tolerance in long-term treatment of cancer pain with epidural morphine;Caputi;Int J Clin Pharmacol Ther Toxicol,1983
5. Spinal cord: Gross anatomy and internal structure;Carpenter,1985