scientific article
author: Michael McDermott, Joseph Jankovic, Anthony Lang, Stanley Fahn, Karl Kieburtz, Rajesh Pahwa, Stewart A Factor, Parkinson Study Group, Roger Kurlan, Ira Shoulson, Peter A. Lewitt, Kenneth Marek, J P Hubble, Kevin Biglan
Copyright status information is not available for this work. The copyright status depends on the jurisdiction, the author's date of death and the date the work was created or published.
To learn more about copyright terms in different countries, visit the countries and terms page.