the influence of 4 ml lidocaine 2 % without vasoconstrictor , and with epinephrine 0.001 % , or with norepinephrine 0.005 % on the heart rate and blood pressure was investigated in one group of patients ( n = 30 ) during a minor surgical procedure ( tooth extraction ) and in an age-matched group of volunteers ( n = 30 ) with injection only and without any intervention .
C0014563
epinephrine
C0028351
norepinephrine