tolamolol , 10 and 20 mg , and propranolol , 10 mg. were not followed by a significant change in mean exercise duration until angina , but there was a 25 percent increase in exercise time until angina in 4 of 15 patients ( 27 percent ) after 10 mg of propranolol and in 3 of 15 patients ( 20 percent ) after 20 mg of tolamolol .
C0002962
angina
C0033497
propranolol