Columbia subject headings:
Drugs--Labeling--Developing countries.
Drugs--Labeling--Law and legislation--Developing countries.
Drugs--Labeling--Law and legislation--United States.
Drugs--Labeling--United States.
Harvard subject headings:
Drugs--Labeling--Developing countries.
Drugs--Labeling--Law and legislation--Developing countries.
Drugs--Labeling--Law and legislation--United States.
Drugs--Labeling--United States.
Princeton subject headings:
Drugs--Labeling--Developing countries.
Drugs--Labeling--Law and legislation--Developing countries.
Drugs--Labeling--Law and legislation--United States.
Drugs--Labeling--United States.