TY  - BOOK
ED  - United Nations.
TI  - Levels and trends of contraceptive use as assessed in 1988
SN  - 9211511763
PY  - 1989///
CY  - New York
PB  - United Nations
KW  - Birth control
KW  - Statistics
KW  - Contraception
N1  - At head of title: Department of International Economic and Social Affairs
ER  -