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Citation |
Gemmell MK, Houk VN. Public Health Rep. (1974) 1985; 100(6): 557-559. |
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Copyright |
(Copyright © 1985, Association of Schools of Public Health) |
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DOI |
unavailable |
PMID |
3934696 |
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PMCID |
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Abstract |
[Abstract unavailable] Language: en |