International Journal of Epidemiology © International Epidemiological Association IncVol. 13, No. 1 Printed in Great Britain

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Date: 2010-01-06 15:38:03		International Journal of Epidemiology © International Epidemiological Association IncVol. 13, No. 1 Printed in Great Britain Add to Reading List Source URL: www.epidemiology.ch Download Document from Source Website File Size: 521,18 KB Share Document on Facebook