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. Author manuscript; available in PMC: 2016 Nov 1.
Published in final edited form as: Environ Res. 2015 Mar 26;143(0 0):82–88. doi: 10.1016/j.envres.2015.03.012

Figure 2.

Figure 2

Population average decrease in serum perfluorooctane sulfonate from a sample of n=71 Gullah African Americans, 2003–2013. Estimated population median and 95% confidence interval controlling for repeated measures, shown along with observed biomarker concentrations (with jitter).