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<http://linkedlifedata.com/resource/pubmed/commentcorrection/15509520-12456964> <http://linkedlifedata.com/resource/pubmed/referenceSource> "Stem Cells. 2002;20(6):561-72" .
<http://linkedlifedata.com/resource/pubmed/commentcorrection/15509520-12456964> <http://linkedlifedata.com/resource/pubmed/referesTo> <http://linkedlifedata.com/resource/pubmed/id/12456964> .