Occupational exposure to N,N-dimethylformamide in the summer and winter.

Ind Health · 2014 · PMC4273019 · PMID 25224331

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a clear trendno p-value reported

5 , the urinary levels of NMF and RIE indices in the summer increased unambiguously in comparison with those in the winter throughout the 9-yr period, although such a clear trend was not observed for the seasonal difference in the concentrations of exposure to DMF.

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