Columbia subject headings:
Doping in sports--Law and legislation--United States.
Drug testing--Law and legislation--United States.
Professional sports--Law and legislation--United States.
Harvard subject headings:
Doping in sports--Law and legislation--United States.
Drug testing--Law and legislation--United States
Professional sports--Law and legislation--United States
Princeton subject headings:
Doping in sports--Law and legislation--United States.
Drug testing--Law and legislation--United States.
Professional sports--Law and legislation--United States.