Nifedipine versus isosorbide dinitrate for angina pectoris.
Schneeweiss
A
A
D000787:Angina Pectoris / Q000188:drug therapy*; D006801:Humans; D007548:Isosorbide Dinitrate / Q000627:therapeutic use*; D009543:Nifedipine / Q000627:therapeutic use*
D009543:Nifedipine; D007548:Isosorbide Dinitrate