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Huffman KM, Samsa GP, Slentz CA, Duscha BD, Johnson JL, Bales CW, Tanner CJ, Houmard JA, Kraus WE.Huffman KM, et al. Among authors: duscha bd.Am Heart J. 2006 Oct;152(4):793-800. doi: 10.1016/j.ahj.2006.04.019.Am Heart J. 2006.PMID: 16996860Clinical Trial.