Conventional and slow release formulations of nifedipine and verapamil are more effective than slow release isosorbide dinitrate (ISDN) in preventing episodes of angina at rest.
D000787:Angina Pectoris / Q000517:prevention & control*; D003692:Delayed-Action Preparations; D006801:Humans; D007548:Isosorbide Dinitrate / Q000627:therapeutic use*; D009543:Nifedipine / Q000627:therapeutic use*; D014700:Verapamil / Q000627:therapeutic use*
D003692:Delayed-Action Preparations; D014700:Verapamil; D009543:Nifedipine; D007548:Isosorbide Dinitrate