Columbia subject headings:
Drug control--New York (State)--New York.
Heroin--Prices--New York (State)--New York.
Heroin.
Harvard subject headings:
Drug control--New York (State)--New York
Heroin--Prices--New York (State)--New York.
Heroin.
Princeton subject headings:
Drug control--New York (State)--New York.
Heroin--Prices--New York (State)--New York.
Heroin.