- Correspondence to:
Dr Shin-ichi Yamada, Department of Neurology, Nakatsugawa Municipal General Hospital, 1522-1, Komanba, Nakatsugawa, Gifu, Japan 508-8502;
- Received April 8, 2002
- Revised October 30, 2002
- Accepted November 9, 2002
- First published February 1, 2003.
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