Levels of urinary t,t-MA were higher in the convenience store workers (0.221 mg/g creatinine; 95% CI 0.160–0.282) than in the filling station attendants (0.195 mg/g creatinine; 95% CI 0.155–0.235), although the difference did not reach statistical significance ( p = 0.463).
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Analysis of Benzene Exposure in Gas Station Workers Using Trans,Trans-Muconic Acid.
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0.4630
0.4630