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Figure 2: (a and b) Effect on distance travelled (m) of zebrafish. Distance travelled are expressed in mean (n = 810/group, except n = 18 in vehicle group) ± standard error of the mean (SEM). *P < 0.05, **P < 0.01 as compared to respective vehicle group (deionized water) (Dunnett's post hoc test following a oneway analysis of variance (ANOVA)) 
