- Dr Praveen Anand, Academic Department of Neurology, St Bartholomew’s and the Royal London School of Medicine and Dentistry, The Royal London Hospital, Whitechapel, London E1 1BB, UK. Telephone and fax 0044 171 377 7286; email
- Received December 30, 1997
- Revised March 4, 1998
- Accepted March 12, 1998
- First published September 1, 1998.
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