intrarenal infusions of norepinephrine and epinephrine at doses adjusted to reduce renal blood flow by 20 and 50 % of baseline values elicited renin release that was not completely blocked by either alpha adrenoceptor blockade with phentolamine or beta adrenoceptor blockade with propranolol .
C0028351
norepinephrine
C0014563
epinephrine