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Detection of spinal cord tissue injury, determined using hematoxylin and eosin staining. Scale bar, 50 µm. BMSC, bone marrow mesenchymal stem cell; Sham, sham-operated; IR, ischemia/reperfusion; NP-MSC, non-preconditioned BMSC transplantation; HP-MSC; hypoxic preconditioned BMSC transplantation; PBS, phosphate-buffered saline-treated.
