title: Medicare at 50--origins and evolution.
authors.forename: David
authors.initials: D
authors.lastname: Blumenthal
authors.forename: Karen
authors.initials: K
authors.lastname: Davis
authors.forename: Stuart
authors.initials: S
authors.lastname: Guterman
mesh_terms: D003363:Cost Control; D049673:History, 20th Century; D049674:History, 21st Century; D008017:Life Expectancy / Q000639:trends; D006278:Medicare / Q000266:history* / Q000331:legislation & jurisprudence / Q000706:statistics & numerical data / Q000639:trends; D009310:National Health Insurance, United States / Q000266:history; D058991:Patient Protection and Affordable Care Act; D011057:Politics; D014481:United States