Fig. 4. Zinc content in different tissues of the BALB/c mice after intraperitoneal exposure of ZnO NPs for 14 days, (A) liver, (B) spleen and (C) thymus. Data represents the mean ± S.E.M. *p < 0.05, **p < 0.01 when compared to the control. The horizontal line above indicates a comparison between the different age groups of mice.
