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<http://linkedlifedata.com/resource/pubmed/commentcorrection/21046421-15308518> <http://linkedlifedata.com/resource/pubmed/referenceSource> "Ann Rheum Dis. 2004 Sep;63(9):1090-5" .
<http://linkedlifedata.com/resource/pubmed/commentcorrection/21046421-15308518> <http://linkedlifedata.com/resource/pubmed/referesTo> <http://linkedlifedata.com/resource/pubmed/id/15308518> .