Columbia subject headings:
Drug control--Andes Region.
Drug control--International cooperation.
Drug control--Latin America.
Drug control--United States.
Harvard subject headings:
Drug control--Andes Region
Drug control--International cooperation
Drug control--Latin America
Drug control--United States
Princeton subject headings:
Drug control--Andes Region.
Drug control--International cooperation.
Drug control--Latin America.
Drug control--United States.