Weight at birth and survival of the newborn by geographic divisions and urban and rural areas, United States, early 1950 / by Jeanne Unger.
- Washington, D.C. : U.S. Department of Health, Education, and Welfare, Public Health Service, July 1965.
- Government document
1 online resource (pages 153-218) : illustrations.
- Vital and health statistics. Data from the national vital statistics system Series 21, no. 4.
Public Health Service publication; no. 1000.
Vital and health statistics. Series 21, Data from the National Vital Statistics System ; number 4
Public Health Service publication ; no. 1000-series 21-no.4
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