© International Epidemiological AssociationPrinted in Great Britain International Journal of Epidemiology 2003;32:1–22 DOI: ije dyg070 - Journal of Epidemiology - Document - PDFSEARCH.IO

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	© International Epidemiological AssociationPrinted in Great Britain International Journal of Epidemiology 2003;32:1–22 DOI: ije/dyg070 Add to Reading List Document Date: 2004-12-01 03:43:43 Open Document File Size: 372,44 KB Share Result on Facebook

© International Epidemiological AssociationPrinted in Great Britain International Journal of Epidemiology 2003;32:1–22 DOI: ije/dyg070Add to Reading List