Columbia subject headings:
AIDS (Disease)--Prevention--Research--United States.
AIDS (Disease)--United States--Prevention.
Drug abuse--Treatment--United States.
Intravenous drug abuse--United States.
Harvard subject headings:
AIDS (Disease)--Prevention--Research--United States.
AIDS (Disease)--United States--Prevention
Drug abuse--Treatment--United States
Princeton subject headings:
AIDS (Disease)--Prevention--Research--United States.
AIDS (Disease)--United States--Prevention.
Drug abuse--Treatment--United States.