Columbia subject headings:
Cancer--Immunological aspects--Congresses.
Immunocompetent cells--Congresses.
Immunology--Congresses.
Harvard subject headings:
Cancer--Immunological aspects--Congresses
Immune system--Congresses.
Immunology--Congresses
Princeton subject headings:
Cancer--Immunological aspects--Congresses.
Immune system--Congresses.
Immunology--Congresses.