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Figure 3: Effects of SFN on attenuating oxidative stress in BOO rats. (a) MDA level in the bladder of the three groups, , versus sham group. , versus BOO group. (b) MDA level in serum of the three groups, , versus sham group. (c) The activity of total SOD in the bladder of the three groups, , versus sham group. , versus BOO group. (d) The activity of GSH-Px in the bladder of the three groups, , versus sham group. , versus BOO group. (e) The activity of CAT in the bladder of the three groups, , versus sham group.