plasma renin activity ( pra ) increased from 30 +/- 3 to 59 +/- 7 ng of angiotensin ( ang ) i h-1 ml-1 with verapamil alone , a significantly larger increment than the increase of pra from 27 +/- 5 to 39 +/- 9 ng of ang i h-1 ml-1 in ghr subjected to comparable blood pressure reduction by mechanical aortic constriction .
C0042523
verapamil
C0020649
blood pressure reduction