Columbia subject headings:
Harvard subject headings:
Childbirth--Korea (South)--Statistics, Vital--Periodicals.
Death--Korea (South)--Statistics, Vital--Periodicals.
Korea (South)--Statistics, Vital--Periodicals.
Princeton subject headings:
Childbirth--Korea (South)--Statistics.
Fertility, Human--Korea (South)--Statistics.
Korea (South)--Statistics, Vital.
Mortality--Korea (South)--Statistics.
Statistics.