Value of surgery in coronary heart disease.
D000368:Aged; D000787:Angina Pectoris / Q000601:surgery*; D003327:Coronary Disease / Q000601:surgery*; D004562:Electrocardiography; D004691:Endarterectomy; D005080:Exercise Test; D006322:Heart Aneurysm / Q000601:surgery*; D006801:Humans