Columbia subject headings:
Harvard subject headings:
Birth control--Congresses.
Birth control--Developing countries--Congresses.
Reproductive health--Social aspects--Congresses.
Reproductive health--Social aspects--Developing countries--Congresses.
Princeton subject headings:
Birth control--Congresses.
Birth control--Developing countries--Congresses.
Reproductive health--Social aspects--Congresses.
Reproductive health--Social aspects--Developing countries--Congresses.