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Behavioral analysis: von Frey hair test (A), hot plate test (B) and tail-flick warm water test (C). Data are representative of at least three independent experiments and are expressed as mean ± SEM from N = 6 rats/group. * p < 0.05 vs. sham; ** p < 0.01 vs. sham; *** p < 0.001 vs. sham; # p < 0.05 vs. vehicle; ## p < 0.01 vs. vehicle.
