Vital and health statistics. Series 20, Data from the national vital statistics system / National Center for Health Statistics.
- Washington, D.C. : U.S. Dept. of Health, Education, and Welfare, National Center for Health Statistics, 1965-
- Government document
Began with no. 1 (Nov. 1965); ceased with no. 28 (Jan. 1996).
- Public Health Service publication.
DHEW publication ; no. (HRA)
1965-, Public Health Service publication
<1973->, DHEW Publication ; no. (HRA)
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