© International Epidemiological AssociationInternational Journal of Epidemiology 2001;30:427–432 Printed in Great Britain - International Journal of Epidemiology - Document - PDFSEARCH.IO

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	© International Epidemiological AssociationInternational Journal of Epidemiology 2001;30:427–432 Printed in Great Britain Add to Reading List Document Date: 2010-01-07 14:46:05 Open Document File Size: 165,60 KB Share Result on Facebook

© International Epidemiological AssociationInternational Journal of Epidemiology 2001;30:427–432 Printed in Great BritainAdd to Reading List