Columbia subject headings:
Medicaid--Statistics.
Medical care, Cost of--United States--Statistics.
Poor--Medical care--United States--Costs--Statistics.
Harvard subject headings:
Medicaid--Statistics.
Medical care--Utilization--United States--Statistics
Poor--Medical care--United States--Costs--Statistics.
Princeton subject headings:
Medicaid--Statistics.
Medical care--Utilization--United States--Statistics.
Poor--Medical care--United States--Costs--Statistics.
Statistics.