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Spinal cord samples obtained after injury and stained with TUNEL. A. Photograph of a spinal cord sample obtained from the injured rats showed multiple TUNEL-positive cells in the white matter in rats of group B. B. Photograph of a spinal cord sample obtained from rats treated with TUDCA showing fewer TUNEL-positive cells and more healthy cells than for animals in group B (TUNEL stain, original magnification ×40).
