in patients with mixed angina , nifedipine reduced the frequency of angina compared to that during placebo treatment ( 13.1 vs 9.9 episodes/3 weeks , p less than 0.01 ) and reduced nitroglycerin consumption ( 11.7 vs 7.5 tablets/3 weeks , p less than 0.05 ) ;
C0002962
angina
C0017887
nitroglycerin