- Correspondence to: Dr Roberto Bergamaschi Multiple Sclerosis Centre, Department of Clinical Neurology, Neurological Institute “C Mondino”, Via Mondino 2, 27100 Pavia, Italy;
- Received September 17, 2006
- Accepted January 4, 2007
- Revised November 28, 2006
- First published January 12, 2007.
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