Background of Parkinson’s Disease http://biomed.brown.edu/Courses/BI108/BI108_1999_Groups/Neuroelectrodes_Team/background.html
Medline Plus: Parkinson’s Disease http://www.nlm.nih.gov/medlineplus/parkinsonsdisease.html
The National Parkinson Foundation, Inc. http://www.parkinson.org/index.htm
Neurologychannel: Parkinson’s Disease http://www.neurologychannel.com/parkinsonsdisease/
NINDS Parkinson’s Disease Information Page http://www.ninds.nih.gov/health_and_medical/disorders/parkinsons_disease.htm
The Parkinson’s Web http://pdweb.mgh.harvard.edu/
Understanding Parkinson’s Disease http://www.holistic-online.com/Remedies/Parkinson/pd_brain.htm/P
What Causes Parkinson’s Disease? http://utut.essortment.com/parkinsonsdisea_rxep.htm/P/FONT