Columbia subject headings:
Drug abuse--Government policy.
Drug control--International cooperation.
Drug control--Political aspects.
Drug traffic--Political aspects.
Harvard subject headings:
Drug abuse--Government policy.
Drug control
Drug control--International cooperation
Drug control--Political aspects.
Drug traffic--Political aspects.
International cooperation
Princeton subject headings:
Drug abuse--Government policy.
Drug control--International cooperation.
Drug control--Political aspects.
Drug traffic--Political aspects.