National health insurance: what kind and how much. 1.
D003258:Consumer Behavior; D003365:Costs and Cost Analysis; D003695:Delivery of Health Care; D004470:Economics, Medical; D004526:Efficiency; D005381:Financing, Organized; D006077:Government Agencies; D007348:Insurance, Health; D009934:Organization and Administration; D011787:Quality of Health Care; D014481:United States