title: Coronary bypass surgery for chronic angina--1981. A perspective.
mesh_terms: D000328:Adult; D000368:Aged; D000787:Angina Pectoris / Q000601:surgery*; D002908:Chronic Disease; D017023:Coronary Angiography; D001026:Coronary Artery Bypass / Q000401:mortality*; D003327:Coronary Disease / Q000401:mortality / Q000601:surgery* / Q000628:therapy; D005260:Female; D006085:Graft Survival; D006801:Humans; D008297:Male; D008875:Middle Aged; D009203:Myocardial Infarction / Q000150:complications; D011183:Postoperative Complications; D011897:Random Allocation