Figure 4.
Effects of selenium on renal malondialdehyde level in rats exposed to cadmium.
Notes: Data represent the mean ± standard deviation of six animals per group. **P < 0.01 compared with the control group. aP < 0.001 compared with the cadmium-treated group.
Abbreviations: Cd, cadmium; MDA, malondialdehyde; prot, protein; Se, selenium.