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Effects of hydrogen-rich saline on calcitonin gene-related peptide (CGRP) immunoreactivity in rats with spinal cord injury (immunohistochemical staining, × 200).
(A) SP group (sham-operated plus physiological saline); (B) SH group (spinal cord injury plus hydrogen-rich saline); (C) SSP group (spinal cord injury plus physiological saline). CGRP staining (arrows) in the SH and SSP groups was lighter than in the SP group, and that in the SSP group was lighter than that of the SH group.
