epinephrine ( e ) , norepinephrine ( ne ) , phenylephrine ( pe ) , and isoproterenol ( i ) were injected randomly in doses of 10-3 , 10-2 , 10-1 , and 1 mug ( base ) per kilogram into each carotid artery .
C0014563
epinephrine
C0028351
norepinephrine