Columbia subject headings:
Children--Drug use--United States--Prevention.
Drug abuse--United States--Prevention.
Teenagers--Drug use--United States--Prevention.
Harvard subject headings:
Children--Drug use--United States--Prevention.
Drug abuse--United States--Prevention
Teenagers--Drug use--United States--Prevention.
Princeton subject headings:
Children--Drug use--United States--Prevention.
Drug abuse--United States--Prevention.
Teenagers--Drug use--United States--Prevention.