Series: | DHHS publication ; no. (PHS) 81-1673. -- Vital and health statistics. no. 223. |
Publisher:
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Hyattsville, Md. : U.S. Department of Health and Human Services, Public Health Service, Office of Health Research, Statistics, and Technology, National Center for Health Statistics, 1981. |
Phys. Desc.: |
1 online resource (iii, 1 unnumbered page, 55 pages) : illustrations, charts. |
Digital Content: |
Click for online content. |
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Series: | DHEW publication ; no. (PHS) 79-1662. -- Vital and health statistics. no. 214. |
Publisher:
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Hyattsville, Md. : U.S. Department of Health, Education, and Welfare, Public Health Service, Office of Health Research, Statistics, and Technology, National Center for Health Statistics, 1979. |
Phys. Desc.: |
1 online resource (vi, 33 pages) |
Digital Content: |
Click for online content. |
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