Figure 2.
The effect of acute and chronic treatment of tramadol in combination with adrenergic blockers on duration of immobility in tail suspension test. The values are mean ± SD; n=6. *P<0.05 when compared with acute treatment
The effect of acute and chronic treatment of tramadol in combination with adrenergic blockers on duration of immobility in tail suspension test. The values are mean ± SD; n=6. *P<0.05 when compared with acute treatment