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Parkinson’s Disease
Volume 2016 (2016), Article ID 4058580, 9 pages
http://dx.doi.org/10.1155/2016/4058580
Research Article

Abnormal Echogenicity of the Substantia Nigra, Raphe Nuclei, and Third-Ventricle Width as Markers of Cognitive Impairment in Parkinsonian Disorders: A Cross-Sectional Study

1Department of Neurology, Reinier de Graaf Gasthuis, Reinier de Graafweg 5, 2625 AD Delft, Netherlands
2Department of Psychiatry, Maastricht University Medical Centre, P. Debyelaan 25, 6229 HX Maastricht, Netherlands
3Department of Clinical Neurophysiology, Maastricht University Medical Centre, P. Debyelaan 25, 6229 HX Maastricht, Netherlands
4Department of Neurology, Maastricht University Medical Centre, P. Debyelaan 25, 6229 HX Maastricht, Netherlands

Received 14 September 2015; Revised 4 December 2015; Accepted 9 December 2015

Academic Editor: Yong-An Chung

Copyright © 2016 Angela E. P. Bouwmans 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.

How to Cite this Article

Angela E. P. Bouwmans, Albert F. G. Leentjens, Werner H. Mess, and Wim E. J. Weber, “Abnormal Echogenicity of the Substantia Nigra, Raphe Nuclei, and Third-Ventricle Width as Markers of Cognitive Impairment in Parkinsonian Disorders: A Cross-Sectional Study,” Parkinson’s Disease, vol. 2016, Article ID 4058580, 9 pages, 2016. doi:10.1155/2016/4058580