the plasma concentration of immunoreactive ( ir ) adrenocorticotropic hormone ( acth ) , beta-endorphin ( be ) and corticosterone ( cs ) was determined by radioimmunoassay , whereas , plasma concentrations of epinephrine ( e ) and norepinephrine ( ne ) were quantified following reverse-phase liquid chromatographic separation and amperometric detection .
C0014563
epinephrine
C0028351
norepinephrine