- Dr Paola Sarchielli, Neurologic Clinic, Policlinico Monteluce, Via E Dal Pozzo 06126, Perugia, Italy. Tel 0039 75 5783568; Fax 0039 75 5783583; email:
- Received January 2, 1997
- Revised August 13, 1997
- Accepted August 22, 1997
- First published February 1, 1998.
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.