title: Medicare at 50: why Medicare-for-all did not take place.
authors: Theodore R
authors: TR
authors: Marmor
authors: Kip
authors: K
authors: Sullivan
mesh_terms: D060866:Accountable Care Organizations; D002017:Budgets; D003363:Cost Control; D004465:Economic Competition; D006279:Health Maintenance Organizations; D049673:History, 20th Century; D049674:History, 21st Century; D006801:Humans; D006278:Medicare / Q000458:organization & administration* / Q000639:trends*; D011050:Policy Making; D011057:Politics; D012052:Reimbursement, Incentive; D014481:United States