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Figure 11: Chronic exposure of fluoride and Carica papaya leaf extract on serotonin levels in hippocampus and cerebral cortex of the brain. The values are mean ± standard deviation of six (n = 6) individual observations; one-way ANOVA, *P < 0.05, **P < 0.01, statistically significant. The serotonin level expressed as in μg amine/g wet wt of tissue |
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