- Dr Orest Hurko, Neuroscience Research, SmithKline Beecham Pharmaceuticals, New Frontiers Science Park North H25/124, Third Avenue, Harlow, Essex CM19 5AW, UK. Telephone 0044 1279 622 739; fax 00441279 622 371; email
- Received August 14, 1998
- Revised November 9, 1998
- Accepted November 10, 1998
- First published April 1, 1999.
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