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. 2015 Dec 5;3(1):21–26. doi: 10.1002/acn3.268

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© 2015 The Author. Annals of Clinical and Translational Neurology published by Wiley Periodicals, Inc on behalf of American Neurological Association.

This is an open access article under the terms of the Creative Commons Attribution‐NonCommercial‐NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non‐commercial and no modifications or adaptations are made.

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The relationship between motor and dopaminergic asymmetry in patients with early Parkinson's disease. (A) Correlation between motor and dopaminergic asymmetry indices ([right − left]/[right + left]). Values −1.0 or 1.0 denote complete motor asymmetry (Hoehn and Yahr stage 1). (B) Correlation between motor and dopaminergic absolute asymmetry scores (right–left). (C) Correlation between lateralized tremor scores and dopaminergic asymmetry (right–left). (D) Correlation between lateralized bradykinesia/rigidity scores and dopaminergic asymmetry (right–left).