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Ratio of time spent in open arm over the closed arm (A), ratio of number of visits into open arm over closed arm (B), number of defecations (C), and total number of visits (D) in the elevated plus-maze test. Significance (Student t-test) of differences between each of the experimental groups and placebo (control) group: *p < 0.05; **p < 0.01; ***p < 0.005.
