Hospital insurance monthly premium: premium rate for the uninsured aged.
D000368:Aged; D003669:Deductibles and Coinsurance; D006801:Humans; D007350:Insurance, Hospitalization / Q000191:economics*; D006278:Medicare / Q000331:legislation & jurisprudence*; D014481:United States; D014483:United States Dept. of Health and Human Services