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Research paper
Non-motor symptoms in early Parkinson's disease: a 2-year follow-up study on previously untreated patients

Authors

  1. Correspondence to Professor Paolo Barone, University of Salerno, Center for neurodegenerative disease—CEMAND, Via S. Allende. 84081 Baronissi (SA), Italy; pbarone{at}unisa.it
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Citation

Erro R, Picillo M, Vitale C, et al
Non-motor symptoms in early Parkinson's disease: a 2-year follow-up study on previously untreated patients

Publication history

  • Received June 9, 2012
  • Revised August 8, 2012
  • Accepted August 14, 2012
  • First published September 19, 2012.
Online issue publication 
December 13, 2012

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