The Pain Information Network is a resource to better understand pain, why we hurt, and what we can do about it. The latest diagnostic, therapeutic, and research is discussed by experts in the field of pain control strategies and treatment.
http://www.paininformation.com/paininformationpodcast/
episode 11: Pain Pumps
Central nervous system drug delivery pumps, what they are, and you must know about them.... A world leading expert, Dr. Schultz