Columbia subject headings:
Drug abuse--Study and teaching--United States.
Drug abuse--Treatment--United States.
Drug abuse--United States.
Harvard subject headings:
Drug Abuse Council (Washington, D.C.)
Drug abuse--Study and teaching--United States
Drug abuse--Treatment--United States
Drug abuse--United States
Princeton subject headings:
Drug abuse--Study and teaching--United States.
Drug abuse--Treatment--United States.
Drug abuse--United States.