infusion of phenylephrine hydrochloride 0.5 , 1.0 , 2.0 , and 4.0 micrograms x kg-1 x min-1 for 6 min at each dose level to 9 healthy subjects resulted in mean venous plasma concentrations of phenylephrine of 20 , 56 , 118 and 308 nm , respectively .
C0031470
phenylephrine hydrochloride
C0031469
phenylephrine