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. Author manuscript; available in PMC: 2022 Feb 11.
Published in final edited form as: Environ Int. 2021 Mar 6;152:106485. doi: 10.1016/j.envint.2021.106485

Figure 2.

Figure 2.

Geometric means of urinary biomarkers of polycyclic aromatic hydrocarbons among never tobacco users in different populations. NHANES 2011-2012 from the United States; MATCH study from southern Brazil; Golestan Cohort Study from northeast Iran; the STEP study from Kenya (the present study)