Medicare marches on.
Greenberg
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D000368:Aged; D002017:Budgets / Q000639:trends*; D003363:Cost Control / Q000331:legislation & jurisprudence / Q000639:trends; D005245:Fee Schedules / Q000331:legislation & jurisprudence / Q000639:trends; D006801:Humans; D007676:Kidney Failure, Chronic / Q000191:economics; D006278:Medicare / Q000191:economics* / Q000639:trends; D011057:Politics; D010818:Practice Patterns, Physicians' / Q000639:trends; D014481:United States