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. 2014 Dec 31;18(4):379–384. doi: 10.5717/jenb.2014.18.4.379

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ⓒ2014 The Korean Society for Exercise Nutrition

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted noncommercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fig. 3. — Dopamine D₂ receptor (DA D₂) expression levels in the substantia nigra of spontaneous hypertensive rats. Actin (43 kDa) was used as the internal control. The results are presented as the means ± standard error of the mean. (A) Control group, (B) ADHD group, (C) ADHD & Exercise group, (D) ADHD & Methylphenidate-treated group. * represents P < 0.05 compared to Control group. # represents P < 0.05 compared to the ADHD group; O.D., optical density.