TY  - BOOK
T1  - Socioeconomic differentials and trends in the timing of births /
DA  - 1981.
CY  - Hyattsville, Md. :
AU  - Ford, Kathleen,
CN  - HB915 .F66
CN  - HB915
PB  - U.S. Dept. of Health and Human Services, Public Health Service, Office of Health Research, Statistics, and Technology, National Center for Health Statistics,
PP  - Hyattsville, Md. :
PY  - 1981.
ID  - 39586
KW  - Birth intervals
KW  - Fertility, Human
SN  - 0840601921
TI  - Socioeconomic differentials and trends in the timing of births /
ER  -