verapamil , a calcium-entry blocker , and sodium nitroprusside , a non-specific vasodilator , were infused into the blood-perfused hindlimbs of new zealand genetically hypertensive rats ( nzgh ) and spontaneously hypertensive rats ( shr ) , two genetic models of hypertension , and their normotensive controls , new zealand normotensive rats and wistar-kyoto rats ( wky ) .
C0042523
verapamil
C0020538
hypertension