fifteen patients with angina pectoris participated in a double-blind study evaluating the effect of intravenous saline , 10 mg of intravenous tolamolol , 20 mg of intravenous tolamolol , and 10 mg of intravenous propranolol on resting and exercise heart rate and on exercise time until angina .
C0033497
propranolol
C0002962
angina