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(a) IA values of FC-positive cells in the spinal cord tissue of the lumbar segment below the injury site. (b) IA values of FC-positive cells in the spinal cord tissue of the thoracic segment above the injury site. Note: (a) indicates a significant difference (P < 0.05) when compared with negative controls; (b) indicates a significant difference (P < 0.05) when compared with positive controls; (c) indicates a significant difference (P < 0.05) when compared with the PCL/GE group.
