Doctors: key to cost control?
D003363:Cost Control; D003954:Diagnostic Services / Q000191:economics / Q000706:statistics & numerical data*; D003955:Diagnostic Tests, Routine / Q000191:economics; D006761:Hospitals; D006801:Humans; D007753:Laboratories / Q000706:statistics & numerical data*; D008505:Medical Staff, Hospital; D011787:Quality of Health Care; D014481:United States