the effects of intravenous infusions of norepinephrine , epinephrine , isoproterenol , n-t-butylnorepinephrine , oxymethyleneisoproterenol , and ro363 on heart rate , mean arterial blood pressure , cardiac output , total peripheral resistance , and stroke volume were evaluated in chloralose-anaesthetized cats before and after phentolamine , propranolol , atenolol , and butoxamine .
C0028351
norepinephrine
C0014563
epinephrine