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. Author manuscript; available in PMC: 2022 May 23.
Published in final edited form as: J Expo Sci Environ Epidemiol. 2021 Jul 1;32(3):427–433. doi: 10.1038/s41370-021-00358-w

Figure 6.

Figure 6.

Relationship between toenail Mn measured by ICP-MS and total hours worked over the month prior to measurement in welders (R = 0.75, Beta (95% CI) = 0.02 (0.015, 0.025), P=0.001, n=16). Regression results were from crude analyses.