Columbia subject headings:
Child health services--United States.
Early and Periodic Screening, Diagnosis, and Treatment Program (U.S.)
Harvard subject headings:
Child health services--United States
Early and Periodic Screening, Diagnosis, and Treatment Program (U.S.)
Poor children--Medical care--Government policy--United States--Statistics.
Princeton subject headings:
Child health services--United States.
Early and Periodic Screening, Diagnosis, and Treatment Program (U.S.)