America's uninsured: Part I: A long history, an uncertain future.
Politser
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American College of Surgeons.
D049673:History, 20th Century; D007348:Insurance, Health / Q000266:history*; D008484:Medicaid / Q000266:history; D008489:Medical Indigency / Q000639:trends*; D006278:Medicare / Q000266:history; D014481:United States