Figure 3: Mean rat serum glucose level (mg/dl) in different groups (n. 8 rats in each group).Data are presented as mean ± SD.*,#,@,$,%: Statistically significant compared to corresponding value in control, reserpine, Low dose Metformin + Reserpine group, High dose Metformin + Reserpine, Selegiline + Reserpine group respectively. Level of significance is set at P value < 0.05. ML: Metformin low dose, MH: Metformin high dose, S: Selegiline