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. Author manuscript; available in PMC: 2022 May 31.
Published in final edited form as: Environ Sci Technol. 2022 Apr 27;56(10):6525–6536. doi: 10.1021/acs.est.2c00064

Figure 3.

Figure 3.

Metabolic pathways enriched by the metabolic features present in both plasma and saliva by the HILIC column. The cells are shaded according to strength of association (i.e., p value) between each of the metabolic pathways and significant features that were associated with each indoor/outdoor single traffic pollutant indicator. Pathways are ordered according to the total number of the significant pathway-traffic pollutant pairs (p < 0.05) in the HILIC column. Each pathway is enriched by at least three significant annotated overlapping features by either plasma or saliva.