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Citation |
Kellermann AL. Am. J. Public Health 1997; 87(6): 910-913. |
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Affiliation |
School of Public Health, Emory University, Atlanta, Ga, USA. |
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Copyright |
(Copyright © 1997, American Public Health Association) |
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DOI |
unavailable |
PMID |
9224166 |
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PMCID |
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Abstract |
unavailable. |