Columbia subject headings:
Maternal health services--Developing countries.
Mothers--Mortality--Developing countries--Prevention.
Women--Health and hygiene--Developing countries.
Harvard subject headings:
Maternal health services--Developing countries.
Maternal health services.
Mothers--Mortality--Developing countries--Prevention.
Mothers--Mortality--Prevention.
Women--Health and hygiene--Developing countries.
Princeton subject headings:
Maternal health services.
Mothers--Mortality--Prevention.