Columbia subject headings:
Drug abuse--Prevention.
Drug utilization--Prevention.
Substance abuse--Prevention.
Teenagers--Drug use--Prevention.
Teenagers--Substance use--Prevention.
Youth--Drug use--Prevention.
Youth--Substance use--Prevention.
Harvard subject headings:
Drug abuse--Prevention
Substance abuse--Prevention.
Youth--Drug use--Prevention.
Youth--Substance use--Prevention.
Princeton subject headings:
Drug abuse--Prevention.
Substance abuse--Prevention.
Youth--Drug use--Prevention.
Youth--Substance use--Prevention.