Table 2.

Effects of subchronic co-exposure to lead acetate and cadmium chloride on bone density (BMD) of rats

Groups	Doses (mg/kg/day)	Femur (g/cm2)	Tibia (g/cm2)
Group I	0	0.183±0.004	0.150±0.003
Group II	29.96	0.174±0.005	0.137±0.003
Group III	89.88	0.155±0.006**	0.134±0.007*
Group IV	269.65	0.147±0.008**	0.129±0.004**

Group I: Control group; Group II: Low dose group; Group III: Intermediate dose group; Group IV: High dose group. Data are shown as means ± SE (n=6). Statistically significant differences are indicated by

^*p<0.05;

^**p<0.01, vs. control.