Columbia subject headings:
Harvard subject headings:
Clinical trials--Government policy--United States.
Drugs--Testing--Law and legislation--United States.
Drugs--United States--Testing.
Human experimentation in medicine--Law and legislation--United States
Human experimentation in medicine--United States
Princeton subject headings:
Clinical trials--United States.
Drugs--United States--Testing.
Human experimentation in medicine--United States.
United States. Food and Drug Administration