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| | IJE vol.33 no.2 © International Epidemiological Association 2004; all rights reserved. International Journal of Epidemiology 2004;33:243–246 DOI: ije/dyh028 REPRINTS AND REFLECTIONSAdd to Reading ListSource URL: www.epidemiology.chDownload Document from Source Website File Size: 71,84 KBShare Document on Facebook
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