- Dr Lea Averbuch-Heller, Department of Neurology, University Hospitals of Cleveland, 11100 Euclid Avenue, Cleveland, Ohio 44106–5000, USA. Telephone 001 216 844 3731; fax 001 216 844 3160; email
- Received June 17, 1998
- Revised September 22, 1998
- Accepted September 23, 1998
- First published April 1, 1999.
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