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Effects of RF field exposure on anxiety-like behaviors. (a) Total distance traveled in OFT (t = 0.385, df = 18, P = 0.705), (b) accumulative distance in the center area in OFT (t = 2.5, df = 18, P = 0.022), (c) time spent in the central area in OFT (t = 2.548, df = 18, P = 0.020). All data are presented as mean ± SD, * P < 0.05, compared with the sham group.
