- Dr Kenneth M Heilman, Department of Neurology, University of Florida College of Medicine, PO Box 100236, Gainesville, FL 32610–0236, USA. Telephone 001 352 392 3491; fax 001 352 393 6893; email
- Received February 6, 1998
- Revised January 5, 1999
- Accepted January 28, 1999
- First published July 1, 1999.
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