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. 2022 Oct 4;12(10):1340. doi: 10.3390/brainsci12101340

Figure 2.

Figure 2

Effect of single and repeated blast exposure on plasma and CSF melatonin concentrations measured at night in SD rats. Plasma melatonin concentrations at (A) 6 h, (B) 24 h, and (C) 1 month after blast injury. CSF melatonin concentrations at (D) 6 h, (E) 24 h, and (F) 1 month after blast injury. Results are expressed as means ± SEM (n = 4–6); *** p < 0.001, ** p < 0.01, and * p < 0.05 for sham vs. single blast group; ### p < 0.001, ## p < 0.01, and # p < 0.05 for sham vs. repeated blast group; ns—not significant.