TY  - GEN
AU  - Jelliffe,D B
AU  - Jelliffee,P E
TI  - Child spacing: as old as mankind
SN  - 0379-2854
PY  - 1980///0103
KW  - Birth Intervals
KW  - Birth Rate
KW  - Demography
KW  - Family Planning Services
KW  - Fertility
KW  - Lactation
KW  - Population
KW  - Population Dynamics
KW  - Prolactin
N1  - Publication Type: Journal Article
ER  -