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Citation |
O'neill B, Haddon W, Kelley AB, Sorenson WW. Am. J. Public Health 1972; 62(3): 399-406. |
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Copyright |
(Copyright © 1972, American Public Health Association) |
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DOI |
unavailable |
PMID |
5011172 |
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PMCID |
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Abstract |
unavailable. |