- Dr NW Wood, Neurogenetics Section, University Department of Clinical Neurology, Institute of Neurology, Queen Square, London WC1N 3BG, UK. Telephone 0044 171 837 3611; fax 0044 171 278 5616; email
- Received July 9, 1998
- Revised November 2, 1998
- Accepted November 10, 1998
- First published May 1, 1999.
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