Letter to the Editors
Author reply to Holford, Vu and Nutt regarding ‘piecing together the puzzle of progression and mortality in Parkinson's disease’
Dr Connie Marras, 399 Bathurst Street, Toronto, Ontario, Canada, M6S 1K8.
Tel.: +1 416 603 6422
Fax: +1 416 603 5004
No abstract is available for this article.