Providers look ahead with fear at Medicare 'look-back' provision.
Weissenstein
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D000368:Aged; D002017:Budgets / Q000331:legislation & jurisprudence; D018588:Fee-for-Service Plans / Q000331:legislation & jurisprudence*; D005102:Health Expenditures / Q000331:legislation & jurisprudence; D006801:Humans; D008329:Managed Care Programs / Q000191:economics*; D006278:Medicare / Q000331:legislation & jurisprudence*; D014481:United States