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Spina bifida occulta represented the increased vertebral arch spacing of the lumbar region is evident for spina bifida occulta. (a) Disease group 62 μ. (b) Normal control 40 μ. (c, f) GSE at 300 mg/kg, 61 and 62 μ, respectively. (d, e) 60 μ, GSEP 600 mg/kg vertebral spacing 40 μ, no evidence of spina bifida. (g) Se low dose 58 μ. (h) Se low dose 54 μ.
