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Parkinson’s Disease
Volume 2011 (2011), Article ID 473579, 5 pages
http://dx.doi.org/10.4061/2011/473579
Clinical Study

Nonmotor Symptoms Groups in Parkinson's Disease Patients: Results of a Pilot, Exploratory Study

1Department of Clinical Pharmacology and Neurosciences, Faculty of Medicine, Paul Sabatier University, and NSERM CIC9023 and UMR 825 Allées Jules Guesde, 31000 Toulouse, France
2Movement Disorders Section, Raul Carrea Institute for Neurological Research (FLENI), Buenos Aires, Argentina
3Departamento de Docencia e Investigación, Facultad de Ciencias Médicas, Pontificia Universidad Católica Argentina, 1107 Buenos Aires, Argentina
4Departamento de Fisiología, Facultad de Medicina, Universidad de Buenos Aires, 1121 Buenos Aires, Argentina

Received 14 October 2010; Revised 24 February 2011; Accepted 23 March 2011

Academic Editor: Irena Rektorova

Copyright © 2011 Santiago Perez Lloret et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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