Veterans Administration Cooperative Study of medical versus surgical treatment for stable angina--progress report. Section 1. Historic perspective.
D000368:Aged; D000787:Angina Pectoris / Q000601:surgery* / Q000628:therapy; D002986:Clinical Trials as Topic; D003327:Coronary Disease / Q000601:surgery / Q000628:therapy; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011897:Random Allocation; D014481:United States; D014493:United States Department of Veterans Affairs