Columbia subject headings:
Birth control--Developing countries.
Birth intervals--Developing countries.
Children--Developing countries--Mortality.
Children--Mortality--Developing countries.
Harvard subject headings:
Birth control--Developing countries.
Birth intervals--Developing countries.
Children--Developing countries--Mortality.
Children--Mortality--Developing countries.
Family planning--Developing countries.
Princeton subject headings:
Birth control--Developing countries.
Birth intervals--Developing countries.
Children--Developing countries--Mortality.