TY  - BOOK
AU  - Ross, John A.
TI  - Family planning and child survival: 100 developing countries 
SN  - 0-9620952-0-6
AV  - HQ766 F33
PY  - 1988///
CY  - New York
PB  - Columbia University Press, Center for Population and Family Health
KW  - Control de la natalidad
KW  - Países en desarrollo
ER  -