Refraction status and motility defects of persons 4-74 years, United States, 1971-1972 /
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Main Authors: | , |
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Format: | Government Document Book |
Language: | English |
Published: |
Hyattsville, Md. :
U.S. Dept. of Health, Education, and Welfare, Public Health Service, National Center for Health Statistics,
1978.
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Series: | Vital and health statistics. Data from the National Health Survey ;
no. 206. DHEW publication ; no. (PHS) 78-1654. |
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