Columbia subject headings:
Clinical trials--Congresses.
Cocaine abuse--Chemotherapy--Congresses.
Cocaine abuse--Treatment--Congresses.
Harvard subject headings:
Clinical trials--Congresses.
Cocaine abuse--Chemotherapy--Congresses.
Cocaine abuse--Treatment--Congresses.
Conference papers and proceedings.
Princeton subject headings:
Clinical trials--Congresses.
Cocaine abuse--Chemotherapy--Congresses.
Cocaine abuse--Treatment--Congresses.