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<http://linkedlifedata.com/resource/pubmed/commentcorrection/19116037-12061859> <http://linkedlifedata.com/resource/pubmed/referenceSource> "Placenta. 2002 May;23(5):429-37" .
<http://linkedlifedata.com/resource/pubmed/commentcorrection/19116037-12061859> <http://linkedlifedata.com/resource/pubmed/referesTo> <http://linkedlifedata.com/resource/pubmed/id/12061859> .