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Comparison of open arm time (%) (a), open arm entry (%) (b), and locomotor activity (c) in the elevated plus maze (EPM) in study groups at 3, 7, 14, and 21 days after injury (n = 6). Each bar represents mean ± SEM. ∗P < 0.05, ∗∗∗P < 0.001 compared with sham group. ∧∧P < 0.01, ∧∧∧P < 0.001 compared with vehicle group. TBI: traumatic brain injury; Veh: vehicle; and SC: stem cell.
