Interval between births, United States, 1970-77
Subtitle: analytical review of recent trends and differentials in the interval between the current live birth and previous live birth or fetal death.
Series: DHHS publication -- no. (PHS) 81-1917; Vital and health statistics -- no. 39.
Publisher: U.S. Dept.of Health and Human Services, Public Health Service, Office of Health research, Statistics, and Technology, National Center for Health Statistics
Place of publication: Hyattsville, MD