TY  - BOOK
AU  - Sivin Irving
TI  - Contraception and fertility change in the international postpartum program
SN  - 0878340203
U1  - 304.666 
PY  - 1974///
CY  - New York
PB  - Population Council
KW  - Birth control
KW  - Birth control-statistics
KW  - Human fertility
KW  - Human fertility-statistics
ER  -