title: [Choice of a calcium antagonist in chronic stable angina].
mesh_terms: D000787:Angina Pectoris / Q000188:drug therapy* / Q000503:physiopathology; D004341:Drug Evaluation; D004562:Electrocardiography; D006339:Heart Rate / Q000187:drug effects; D006801:Humans; D009543:Nifedipine / Q000627:therapeutic use*; D005082:Physical Exertion; D014700:Verapamil / Q000627:therapeutic use*
chemical_list: D014700:Verapamil; D009543:Nifedipine