Does it really make a difference?
Frye
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D015906:Angioplasty, Balloon, Coronary / Q000706:statistics & numerical data; D006328:Cardiac Catheterization / Q000706:statistics & numerical data; D002318:Cardiovascular Diseases / Q000191:economics*; D017023:Coronary Angiography / Q000706:statistics & numerical data; D004452:Echocardiography / Q000706:statistics & numerical data; D005102:Health Expenditures / Q000706:statistics & numerical data*; D006801:Humans; D006278:Medicare / Q000706:statistics & numerical data*; D010818:Practice Patterns, Physicians'; D013673:Technology Assessment, Biomedical; D014481:United States