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Comparison of alachlor dermal exposure (median and IQR, µg/h) on the upper parts of the body with and without clothing worn as personal protective equipment by backpack sprayer type (2 stroke gasoline motor/fan versus battery pump). If number of samples is two, we used mean and standard deviation. *Significant difference using the Mann–Whitney U-test. aP-value < 0.05, bP-value < 0.01.
