US health care. I: The access problem.
Dixon
J
J
Health Services Research Unit, London School of Hygiene and Tropical Medicine.
D006296:Health Services / Q000706:statistics & numerical data; D006297:Health Services Accessibility; D006801:Humans; D007348:Insurance, Health; D008484:Medicaid; D017057:Medically Uninsured; D006278:Medicare; D014481:United States