By precept and example.
D003362:Cost-Benefit Analysis; D003365:Costs and Cost Analysis; D003954:Diagnostic Services / Q000191:economics / Q000706:statistics & numerical data; D004502:Education, Medical, Continuing; D004992:Ethics, Medical; D013502:General Surgery / Q000193:education / Q000592:standards*; D006761:Hospitals / Q000706:statistics & numerical data; D006801:Humans; D007362:Intensive Care Units; D013727:Terminal Care / Q000592:standards; D014481:United States