there were no differences between the control normotensive wistar rats and the spontaneously hypertensive rats ( shr ) in the prehypertensive and early hypertensive stages ( at the age of 6-8 weeks ) as far as the activities of na-k-atpase and oxidoreductases ( sdh and ldh ) in the renal cortex , the outer and inner medulla are concerned .
C0030016
oxidoreductases
C0022917
ldh