Columbia subject headings:
Drug abuse--Chemotherapy--United States.
Drug abuse--Prevention--Government policy--United States.
Pharmacology--United States.
Therapeutics--United States.
Harvard subject headings:
Drug abuse--Chemotherapy--United States.
Drug abuse--Prevention--Government policy--United States.
Pharmacology--United States.
Therapeutics--United States.
Princeton subject headings:
Drug abuse--Chemotherapy--United States.
Drug abuse--Prevention--Government policy--United States.
Pharmacology--United States.
Therapeutics--United States.