AJDRAJNR - American Journal of Neuroradiology

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Figure 1


Fig 1. Positioning of the region of interest (ROI) for area measurement, drawn on the visible substantia nigra (A), and of the ROI for relative contrast measurement, drawn including the whole expected extension of the substantia nigra (B).





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Copyright © 2009 by the American Society of Neuroradiology. Print ISSN: 0195-6108 Online ISSN: 1936-959X