Columbia subject headings:
Child health services--United States--Statistics.
Children--Health and hygiene--United States--Statistics.
Children--Insurance requirements--United States--Statistics.
Pediatrics--United States--Statistics.
Harvard subject headings:
Princeton subject headings:
Child health services--United States--Finance--Statistics.
Child health services--United States--Statistics.
Medically uninsured persons--United States--Statistics.
Poor children--Medical care--United States--Finance--Statistics.
Statistics.