Columbia subject headings:
Harvard subject headings:
Bolivia--Statistics, Vital.
Fertility, Human--Bolivia.
Fertility, Human--Guatemala.
Guatemala--Statistics, Vital.
Mortality--Bolivia.
Mortality--Guatemala.
Princeton subject headings:
Bolivia--Statistics, Vital.
Fertility, Human--Bolivia.
Fertility, Human--Guatemala.
Guatemala--Statistics, Vital.
Mortality--Bolivia.
Mortality--Guatemala.