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Citation |
DiGuiseppi CG, Roberts I, Li L. J. Epidemiol. Community Health 1998; 52(11): 760-761. |
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Affiliation |
Department of Epidemiology, University College London Medical School. |
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Copyright |
(Copyright © 1998, BMJ Publishing Group) |
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DOI |
unavailable |
PMID |
10396511 |
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PMCID |
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Abstract |
unavailable. |