Try this for explanation of MSA : http://www.parkinson.org/atrophy.htm Don't know good sites for the others. Good luck Debbie White [log in to unmask] -----Original Message----- From: Parkinson's Information Exchange [mailto:[log in to unmask]]On Behalf Of B. BRUCE ANDERSON Sent: Saturday, August 28, 1999 2:45 AM To: [log in to unmask] Subject: List Does anyone have a comprehensive list of all the different PD+ diseases - MSA, PSP, SDS, etc? Someone did post such a list, which had a good description of each, here at least a year or so ago but I could not find it in the archives. It also ranked them according to which you would not want to have more! Thank you very much!! Bruce Anderson (53,5) Schooley's Mountain, NJ [log in to unmask]