1. Medicare at 50: origins and evolution Author(s): Hollander, Chris, author Publication: [New York, N.Y.] : Commonwealth Fund, 2015 Subject(s): Medicare -- organization & administrationAgedEligibility DeterminationForecastingInsurance CoverageMedicare -- historyMedicare -- trendsMedicare Part AMedicare Part BMedicare Part CMedicare Part DHistory, 20th CenturyHistory, 21st CenturyHumansUnited States
