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Effect of PBMT for 2 and 4 weeks. (A) Functional recovery BBB test; (B) mechanical hyperalgesia. Data are expressed as the mean ± SEM. **p < 0.01, ***p < 0.001 versus SCI group; ###p < 0.001 versus control; &p < 0.05, &&p < 0.01 PBMT 2 weeks versus 4 weeks. BBB, Basso, Beattie, and Brenham; PBMT, photobiomodulation therapy; SCI, spinal cord injury.
