title: Medicare at 50--moving forward.
authors: David
authors: D
authors: Blumenthal
authors: Karen
authors: K
authors: Davis
authors: Stuart
authors: S
authors: Guterman
mesh_terms: D000368:Aged; D018166:Health Care Reform; D006801:Humans; D006278:Medicare / Q000191:economics / Q000592:standards / Q000639:trends; D058996:Quality Improvement; D014481:United States