Columbia subject headings:
Drugs--Law and legislation--Economic aspects--United States.
Drugs--Law and legislation--United States.
Pharmaceutical industry--United States.
Harvard subject headings:
Drugs--Law and legislation--Economic aspects--United States.
Drugs--Law and legislation--United States.
Pharmaceutical industry--United States
Princeton subject headings:
Drugs--Law and legislation--Economic aspects--United States.
Drugs--Law and legislation--United States.
Pharmaceutical industry--United States.