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Liver/body weight ratio (a); and CYP2B1 mRNA expression (b) in immature female SD rats. Data presented in the bar graph are divided according to chemical administered and subdivided according to the presence or absence of ICI 182 780 (shown as ICI). a p < 0.05 vs. vehicle; b p < 0.05 vs. without ICI. Data are presented as the mean ± SD.
