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Quantitative comparison of the number of positive cells per field for (A) macrophages (CD68) and (B) T lymphocytes (CD5) showing significant differences for the BMSCs + ASC group compared with the ASC group (*P<0.05) and control group (#P<0.05) at 2 weeks after surgery. (C) IgM shows no significant difference (P>0.05) among the groups. ASC, acellular spinal cord; BMSCs, bone marrow stromal cells; IgM, immunoglobulin M.
