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Poornima IG, Miller TD, Christian TF, Hodge DO, Bailey KR, Gibbons RJ.Poornima IG, et al.J Am Coll Cardiol. 2004 Jan 21;43(2):194-9. doi: 10.1016/j.jacc.2003.09.029.J Am Coll Cardiol. 2004.PMID: 14736437Free article.