American Journal of Epidemiology Copyright © 1995 by The Johns Hopkins University School of Hygiene and Public Health All rights reserved HISTORICAL PAPER - Hopkins School - Document - PDFSEARCH.IO

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	American Journal of Epidemiology Copyright © 1995 by The Johns Hopkins University School of Hygiene and Public Health All rights reserved HISTORICAL PAPER Add to Reading List Document Date: 2011-06-02 14:28:47 Open Document File Size: 296,66 KB Share Result on Facebook

American Journal of Epidemiology Copyright © 1995 by The Johns Hopkins University School of Hygiene and Public Health All rights reserved HISTORICAL PAPERAdd to Reading List