From the Agency for Health Care Policy and Research.
D005194:Family Practice; D018588:Fee-for-Service Plans; D006302:Health Services Research; D006801:Humans; D008329:Managed Care Programs; D008511:Medicine; D010818:Practice Patterns, Physicians'; D011787:Quality of Health Care; D013038:Specialization; D014481:United States; D016270:United States Agency for Healthcare Research and Quality