- Dr Florence Pasquier, Department of Neurology, Memory unit, Hôpital Roger Salengro, F-59037 Lille, France. Telephone 0033 320 44 5785; fax 0033 320 44 6028; email
- Received December 23, 1997
- Revised April 7, 1998
- Accepted May 13, 1998
- First published November 1, 1998.
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