title: Unstable angina--experience with surgical therapy in the subset of patients having preinfarction angina.
mesh_terms: D000787:Angina Pectoris / Q000150:complications / Q000601:surgery*; D001026:Coronary Artery Bypass; D006801:Humans; D009203:Myocardial Infarction / Q000150:complications / Q000601:surgery*