title: Better for whom? Policy implications of acting on the relation between volume and outcome in coronary artery bypass grafting.
authors.forename: H S
authors.initials: HS
authors.lastname: Luft
mesh_terms: D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D001026:Coronary Artery Bypass / Q000401:mortality*; D005260:Female; D006276:Health Facility Size / Q000706:statistics & numerical data*; D006291:Health Policy; D017052:Hospital Mortality; D006801:Humans; D008297:Male; D008875:Middle Aged; D017063:Outcome Assessment, Health Care; D012017:Referral and Consultation / Q000706:statistics & numerical data; D014481:United States