© International Epidemiological AssociationInternational Journal of Epidemiology 2001;30:433–434 Printed in Great Britain - International Journal of Epidemiology - Document - PDFSEARCH.IO

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	© International Epidemiological AssociationInternational Journal of Epidemiology 2001;30:433–434 Printed in Great Britain Add to Reading List Document Date: 2011-06-02 14:24:05 Open Document File Size: 146,24 KB Share Result on Facebook

© International Epidemiological AssociationInternational Journal of Epidemiology 2001;30:433–434 Printed in Great BritainAdd to Reading List