Columbia subject headings:
Children--Mortality--Congresses.
Fertility, Human--Congresses.
Infants--Mortality--Congresses.
Harvard subject headings:
Children--Mortality--Congresses.
Fertility, Human--Congresses
Infants--Mortality--Congresses.
Princeton subject headings:
Children--Mortality--Congresses.
Fertility, Human--Congresses.
Infants--Mortality--Congresses.