Columbia subject headings:
Cancer--Immunological aspects--Congresses.
Carcinogenesis--Congresses.
Cell transformation--Congresses.
Harvard subject headings:
Cancer--Immunological aspects--Congresses
Carcinogenesis--Congresses.
Cell transformation--Congresses.
Princeton subject headings:
Cancer--Immunological aspects--Congresses.
Carcinogenesis--Congresses.
Cell transformation--Congresses.