- Dr M Komiyama, Department of Neurosurgery, Osaka City General Hospital, 2–13–22, Miyakojima-Hondori, Miyakojima, Osaka, 543–0021, Japan. Telephone 0081 6 6929 1221; fax 0081 6 6929 1091; email
- First published August 1, 1999.
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