the components of the endogenous antioxidant defense mechanism , superoxide dismutase ( sod ) , glutathione measured here as nonprotein sulfhydryl content ( npsh ) , glucose-6-phosphate dehydrogenase ( g-6-pd ) , glutathione reductase ( gr ) , and glutathione peroxidase ( gpx ) occur in brain .
C0423896
content
C0006104
brain