in the other 16 patients , the mean frequency of angina was less during therapy with both nifedipine ( 0.69 episode/day , p less than 0.05 ) and isosorbide dinitrate ( 0.77 episode/day , p less than 0.05 ) phases than during the lead-in phase ( 1.71 episodes/day ) .
C0002962
angina
C0022252
isosorbide dinitrate