Columbia subject headings:
Medical economics--Developing countries--Congresses.
Medical policy--Developing countries--Congresses.
Nutrition policy--Developing countries--Congresses.
Nutrition--Economic aspects--Developing countries--Congresses.
Harvard subject headings:
Medical economics--Developing countries--Congresses.
Medical economics--Developing countries.
Medical policy--Developing countries
Medical policy--Developing countries--Congresses.
Nutrition--Economic aspects--Developing countries--Congresses.
Nutrition--Economic aspects--Developing countries.
Nutrition--Government policy--Developing countries--Congresses.
Nutrition--Government policy--Developing countries.
Princeton subject headings:
Medical economics--Developing countries--Congresses.
Medical policy--Developing countries--Congresses.
Nutrition--Economic aspects--Developing countries--Congresses.
Nutrition--Government policy--Developing countries--Congresses.