title: Nifedipine versus isosorbide dinitrate in patients with exertional angina receiving propranolol.
mesh_terms: D000787:Angina Pectoris / Q000188:drug therapy*; D004359:Drug Therapy, Combination; D006801:Humans; D007548:Isosorbide Dinitrate / Q000008:administration & dosage*; D009543:Nifedipine / Q000008:administration & dosage*; D011433:Propranolol / Q000008:administration & dosage*
chemical_list: D011433:Propranolol; D009543:Nifedipine; D007548:Isosorbide Dinitrate