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. Author manuscript; available in PMC: 2021 Feb 1.
Published in final edited form as: J Expo Sci Environ Epidemiol. 2020 May 28;31(1):117–125. doi: 10.1038/s41370-020-0233-3

Fig. 2. Total mercury concentrations in hair from pregnant women in the CCREOH study determined by CVAAS.

Fig. 2

Median (IQR) concentrations are presented. Dotted line represents the USEPA’s health action threshold. Different letters over bars denote significant differences at p < 0.0001.