in a double-blind study , yohimbine ( 0.125 mg/kg bolus , 0.001 mg/kg/min infusion ) induced a two-to-threefold rise in plasma norepinephrine ( p less than 0.01 ) , without significantly altering plasma epinephrine or plasma renin activity .
C0028351
norepinephrine
C0014563
epinephrine