- Correspondence to:
Dr K W Rammohan, Department of Neurology Ohio State University, 449 Means Hall, 1654 Upham Drive, Columbus, Ohio 43210 Columbus, Ohio, USA;
- Received November 15, 2000
- Revised August 15, 2001
- Accepted August 17, 2001
- First published February 1, 2002.
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