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Oxidative stress parameters. Saline (non-Pb-exposed), NaHS (non-Pb-exposed + NaHS), Pb (Pb-exposed), and Pb + NaHS (Pb-exposed + NaHS). (a) MDA levels in plasma. (b) Antioxidant status of plasma as determined by MTT assay. Values represent mean ± SEM. n = 6–12. ∗P < 0.05 versus Saline group; #P < 0.05 versus Pb group.
