Columbia subject headings:
Harvard subject headings:
Chemical industry--United States
Chemicals--Marketing--Government policy--United States.
Chemicals--United States--Marketing.
Cocaine industry--Latin America.
Drug traffic--Latin America
Export controls--United States.
Exports--United States
Latin America--Commerce--United States.
United States--Commerce--Latin America.
Princeton subject headings:
Chemicals--Marketing--Government policy--United States.
Exports--United States.
Latin America--Commerce--United States.
United States--Commerce--Latin America.