even in the absence of pain , the motor paresis was exacerbated by sympathetic stimulation using epinephrine , norepinephrine ( nor-adrenalin ) , or isoproterenol hydrochloride ( proternol ) loading and was improved by regional intravenous infusion of reserpine or by sympathetic ganglion block .
C0028351
norepinephrine
C0014563
adrenalin