Comparison of intake and systemic relative effect potencies of dioxin-like compounds in female mice after a single oral dose.

Relative thymus weights showed a decreasing trend for all compounds except PCB-126; however, this decrease was statistically significantly different from the vehicle controls only in mice treated with TCDD (≥ 2.5 μg/kg BW), PeCDD (0.5, 10, and 100 μg/kg BW), and PCB-153 (500,000 μg/kg BW).

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