title: Angina pectoris and the placebo effect.
mesh_terms: D000787:Angina Pectoris / Q000188:drug therapy / Q000266:history / Q000601:surgery / Q000628:therapy*; D002986:Clinical Trials as Topic; D049673:History, 20th Century; D006801:Humans; D007666:Khellin / Q000627:therapeutic use; D008026:Ligation; D008323:Mammary Arteries / Q000601:surgery; D009204:Myocardial Revascularization; D010919:Placebos; D014810:Vitamin E / Q000627:therapeutic use; D014970:Xanthines / Q000627:therapeutic use
chemical_list: D010919:Placebos; D014970:Xanthines; D014810:Vitamin E; D007666:Khellin