Columbia subject headings:
Dilatation and extraction abortion--Law and legislation--United States.
Dilatation and extraction abortion--United States.
Harvard subject headings:
Dilatation and extraction abortion--Law and legislation--United States.
Dilatation and extraction abortion--United States.
Princeton subject headings:
Dilatation and extraction abortion--Law and legislation--United States.
Dilatation and extraction abortion--United States.