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<http://linkedlifedata.com/resource/pubmed/commentcorrection/21155042-12818309> <http://linkedlifedata.com/resource/pubmed/referenceSource> "Am J Prev Med. 2003 Jul;25(1):45-9" .
<http://linkedlifedata.com/resource/pubmed/commentcorrection/21155042-12818309> <http://linkedlifedata.com/resource/pubmed/referesTo> <http://linkedlifedata.com/resource/pubmed/id/12818309> .