a portable nonthrombogenic blood withdrawal system , permitting normal activity and sleep , was used for obtaining the 24-h integrated concentration ( ic ) of epinephrine ( e ) and norepinephrine ( ne ) in 46 normal control subjects , 30 patients with mild essential hypertension , and 1 patient with pheochromocytoma .
C0014563
epinephrine
C0028351
norepinephrine