Figure 3.

Concentration dependent effect of (A) L-DOPA and (B) dopamine on cell viability for 24 and 48 h. Each column represents the mean of 6–18 experiments per group; vertical lines show s.e.mean. *P<0.05 compared with control.

Concentration dependent effect of (A) L-DOPA and (B) dopamine on cell viability for 24 and 48 h. Each column represents the mean of 6–18 experiments per group; vertical lines show s.e.mean. *P<0.05 compared with control.