Columbia subject headings:
Drugs--Standards--United States.
Medical instruments and apparatus--Safety regulations--United States.
United States. Food and Drug Administration.
Harvard subject headings:
Drugs--Standards--United States.
Medical instruments and apparatus--Safety regulations--United States
United States. Food and Drug Administration.
Princeton subject headings:
Drugs--Standards--United States.
Medical instruments and apparatus--Safety regulations--United States.
United States. Food and Drug Administration