title: Efficacy of nifedipine therapy in patients with refractory angina pectoris: significance of the presence of coronary vasospasm.
mesh_terms: D000787:Angina Pectoris / Q000188:drug therapy* / Q000503:physiopathology; D000788:Angina Pectoris, Variant / Q000188:drug therapy; D001794:Blood Pressure / Q000187:drug effects; D002986:Clinical Trials as Topic; D003329:Coronary Vasospasm / Q000188:drug therapy*; D005260:Female; D006339:Heart Rate / Q000187:drug effects; D006801:Humans; D008297:Male; D008875:Middle Aged; D009543:Nifedipine / Q000627:therapeutic use*; D005082:Physical Exertion; D011725:Pyridines / Q000627:therapeutic use*
chemical_list: D011725:Pyridines; D009543:Nifedipine