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<http://linkedlifedata.com/resource/pubmed/commentcorrection/21772944-21352980> <http://linkedlifedata.com/resource/pubmed/referenceSource> "Ann Thorac Surg. 2011 Mar;91(3):685-91" .
<http://linkedlifedata.com/resource/pubmed/commentcorrection/21772944-21352980> <http://linkedlifedata.com/resource/pubmed/referesTo> <http://linkedlifedata.com/resource/pubmed/id/21352980> .