- Dr Gavin Giovannoni, University Department of Clinical Neurosciences, Royal Free and University College Medical School, Royal Free Campus, Rowland Hill Street, London NW3 2PF. Telephone 0044 171 794 0500; fax 0044 171 431 1577; email
- Received January 29, 1999
- Revised April 12, 1999
- Accepted April 12, 1999
- First published November 1, 1999.
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