Columbia subject headings:
Health services accessibility--Developing countries.
Medical innovations--Developing countries.
Medical technology--Developing countries.
Poor--Medical care--Developing countries.
Harvard subject headings:
Health services accessibility--Developing countries.
Medical innovations--Developing countries.
Medical technology--Developing countries.
Poor--Medical care--Developing countries.
Princeton subject headings:
Health services accessibility--Developing countries.
Medical innovations--Developing countries.
Medical technology--Developing countries.
Poor--Medical care--Developing countries.