What has happened to coronary artery bypass?
D000787:Angina Pectoris / Q000601:surgery; D001026:Coronary Artery Bypass; D005500:Follow-Up Studies; D006085:Graft Survival; D006801:Humans; D008944:Mitral Valve Insufficiency / Q000601:surgery; D009203:Myocardial Infarction / Q000601:surgery