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In the article “A Role for α-Synuclein in the Regulation of Dopamine Biosynthesis,” by Ruth G. Perez, Jack C. Waymire, Eva Lin, Jen J. Liu, Fengli Guo, and Michael J. Zigmond, which appeared on pages 3090–3099 of the April 15, 2002 issue, millimolar concentrations are shown, rather than the correct micromolar concentrations. The correct version of the figure is printed here.
