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Sex steroid levels of testosterone (A), 17β-estradiol (B), and 11-ketotestosterone (C) in steelhead in freshwater and in 8 g/L and 17 g/L salinity exposed to 0 μg/L, 0.1 μg/L, and 1.5 μg/L bifenthrin concentrations for 14 d (n = 5 fish per tank, 3 replicates). Data are expressed as mean ± standard deviation. Bars with different letters represent significant differences at p = 0.0009.
