I just came across this reference on the Shy-Drager list ( [log in to unmask]). It has a very wide ranging collection of links for equipment, disease definitions. A useful collection. Don't get put off by the first visible page. http://freepages.health.rootsweb.com/~charmayn/links.html K-F Etzold CG Carline (and slightly overwhelmed [sounds like an oxymoron])