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. Author manuscript; available in PMC: 2020 Jun 15.
Published in final edited form as: Environ Res. 2019 Dec 2;182:108991. doi: 10.1016/j.envres.2019.108991

Fig. 2. Proportion of UM-VOCs attributed to each metabolite by NHANES wave.

Fig. 2.

Proportion of select UM-VOCs attributed to each metabolite by NHANES wave, (A) 2005–06, (B) 2011–12 and (C) 2013–14. The UM-VOCs represented are metabolite which are significantly changing across the NHANES waves. NHANES= National Health and Nutrition Examination Survey; UM-VOC = urinary metabolite of volatile organic compound.