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. Author manuscript; available in PMC: 2015 Dec 1.
Published in final edited form as: Neurotoxicology. 2014 May 29;0:309–317. doi: 10.1016/j.neuro.2014.05.006

Figure 1.

Figure 1

Relationship of Luria Nebraska sum score and Mn in air represented as a smooth function. The blue line and the shaded area represent the smoothing spline estimate and its 95% interval. Note the log-transformation of the x-axis.