title: Coronary-artery bypass surgery: it works, but why?
mesh_terms: D002986:Clinical Trials as Topic; D001026:Coronary Artery Bypass; D004562:Electrocardiography; D005080:Exercise Test; D006801:Humans; D009121:Muscle Denervation; D009203:Myocardial Infarction / Q000601:surgery; D010146:Pain; D010919:Placebos
chemical_list: D010919:Placebos