Surgery in angina.
D000787:Angina Pectoris / Q000000981:diagnostic imaging / Q000601:surgery*; D006348:Cardiac Surgical Procedures / Q000266:history*; D017023:Coronary Angiography; D001026:Coronary Artery Bypass / Q000266:history; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D011183:Postoperative Complications / Q000601:surgery; D014481:United States