title: Efficacy of nifedipine therapy for refractory angina pectoris.
mesh_terms: D000319:Adrenergic beta-Antagonists / Q000008:administration & dosage; D000328:Adult; D000368:Aged; D000787:Angina Pectoris / Q000188:drug therapy*; D001794:Blood Pressure / Q000187:drug effects; D002121:Calcium Channel Blockers / Q000627:therapeutic use; D003327:Coronary Disease / Q000188:drug therapy; D003329:Coronary Vasospasm / Q000188:drug therapy; D004359:Drug Therapy, Combination; D005260:Female; D006339:Heart Rate / Q000187:drug effects; D006801:Humans; D008297:Male; D008875:Middle Aged; D009203:Myocardial Infarction / Q000150:complications; D009543:Nifedipine / Q000008:administration & dosage / Q000627:therapeutic use*; D005082:Physical Exertion; D011725:Pyridines / Q000627:therapeutic use*; D012008:Recurrence
chemical_list: D000319:Adrenergic beta-Antagonists; D002121:Calcium Channel Blockers; D011725:Pyridines; D009543:Nifedipine