| http://www.w3.org/ns/prov#value | - Written and updated by Dr. Bruce Lytle and Dr. Gosta Pettersson Department of Thoracic and Cardiovascular Surgery Cleveland Clinic Heart and Vascular Institute During the last three decades careful studies have clearly shown that coronary artery bypass surgery relieves angina pectoris and other symptoms caused by coronary artery disease and, for some patients, prolongs their lives.
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