Columbia subject headings:
Drug control--United States.
Ecstasy (Drug)--United States.
Methamphetamine abuse--United States.
Harvard subject headings:
Drug control--United States
Ecstasy (Drug)--United States.
Methamphetamine abuse--United States
Princeton subject headings:
Drug control--United States.
Ecstasy (Drug)--United States.
Methamphetamine abuse--United States.