with bepridil plus propranolol , there were also increases in exercise time to onset of angina ( p less than 0.04 ) , exercise time to 1-mm electrocardiographic st-segment depression ( p less than 0.06 ) and total work ( p less than 0.03 ) compared with placebo plus propranolol therapy .
C0002962
angina
C0033497
propranolol