Comparison-shopping comes to medicine.
Borfitz
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D003256:Community Participation; D001026:Coronary Artery Bypass / Q000401:mortality / Q000592:standards*; D006761:Hospitals / Q000592:standards; D007255:Information Services; D010414:Pennsylvania / Q000453:epidemiology; D010820:Physicians / Q000592:standards; D011787:Quality of Health Care / Q000592:standards*