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Parks SB, Kushner JD, Nauman D, Burgess D, Ludwigsen S, Peterson A, Li D, Jakobs P, Litt M, Porter CB, Rahko PS, Hershberger RE.Parks SB, et al. Among authors: rahko ps.Am Heart J. 2008 Jul;156(1):161-9. doi: 10.1016/j.ahj.2008.01.026. Epub 2008 Mar 12.Am Heart J. 2008.PMID: 18585512Free PMC article.