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J Clin Epidemiol. 2004 May;57(5):435-7.

Can the 'hygiene hypothesis' be explained by confounding by behavior?

Author information

1
Care and Public Health Research Institute, University of Maastricht, P.O. Box 616 6200, MD Maastricht, The Netherlands. O.vanSchayck@caphri.unimaas.nl
PMID:
15196612
DOI:
10.1016/j.jclinepi.2003.12.011
[Indexed for MEDLINE]

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