Columbia subject headings:
Cell phones--Health aspects.
Health promotion--Technological innovations--Developing countries.
Health promotion--Technological innovations.
Medical instruments and apparatus.
Harvard subject headings:
Cell phones--Health aspects.
Communication in public health--Developing countries.
Health promotion--Technological innovations--Developing countries.
Health promotion--Technological innovations.
Medical instruments and apparatus--Developing countries.
Telecommunication in medicine--Developing countries.
Princeton subject headings:
Cell phones--Health aspects--Developing countries.
Communication in public health--Developing countries.
Health promotion--Technological innovations--Developing countries.
Medical instruments and apparatus--Developing countries.
Telecommunication in medicine--Developing countries.