Columbia subject headings:
Drug abuse--Treatment--United States--Congresses.
Social case work--United States--Congresses.
Social work with drug addicts--United States--Congresses.
Substance abuse--Treatment--United States--Congresses.
Harvard subject headings:
Drug abuse--Treatment--United States--Congresses.
Social case work--United States--Congresses.
Social work with drug addicts--United States--Congresses.
Substance abuse--Treatment--United States--Congresses.
Princeton subject headings:
Drug abuse--Treatment--United States--Congresses.
Social case work--United States--Congresses.
Social work with drug addicts--United States--Congresses.
Substance abuse--Treatment--United States--Congresses.