[Method of determination of the clinical effectiveness of coronary vasodilators].
D000787:Angina Pectoris / Q000188:drug therapy*; D002986:Clinical Trials as Topic; D004562:Electrocardiography; D006801:Humans; D010919:Placebos; D014665:Vasodilator Agents / Q000627:therapeutic use*
D010919:Placebos; D014665:Vasodilator Agents