title: Happy(?) birthday, Medicare.
authors.affiliation: Association of American Medical Colleges, Washington, D.C., USA.
authors.forename: J J
authors.initials: JJ
authors.lastname: Cohen
mesh_terms: D000046:Academic Medical Centers / Q000191:economics; D000368:Aged; D006801:Humans; D006278:Medicare / Q000191:economics*; D014481:United States