Columbia subject headings:
Cancer--Developing countries--Prevention--Congresses.
Cancer--Developing countries--Statistics--Congresses.
Carcinogenesis--Congresses.
Medical geography--Developing countries--Congresses.
Harvard subject headings:
Cancer--Developing countries--Prevention--Congresses.
Cancer--Developing countries--Statistics--Congresses.
Carcinogenesis--Congresses
Medical geography--Developing countries--Congresses.
Princeton subject headings:
Cancer--Developing countries--Prevention--Congresses.
Cancer--Developing countries--Statistics--Congresses.
Carcinogenesis--Congresses.
Medical geography--Developing countries--Congresses.