Columbia subject headings:
Alcoholism--Treatment--United States.
Drug abuse--Treatment--United States.
Substance abuse--Treatment--United States.
Harvard subject headings:
Alcoholism--Treatment--United States
Drug abuse--Treatment--United States
Substance abuse--Treatment--United States
Princeton subject headings:
Alcoholism--Treatment--United States.
Drug abuse--Treatment--United States.
Substance abuse--Treatment--United States.