title: More on coronary bypass surgery--IV.
mesh_terms: D001026:Coronary Artery Bypass / Q000401:mortality; D003327:Coronary Disease / Q000401:mortality*; D006801:Humans; D011183:Postoperative Complications / Q000401:mortality; D011446:Prospective Studies; D012306:Risk; D014481:United States; D014493:United States Department of Veterans Affairs