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Friedman DJ, Upadhyay GA, Singal G, Orencole M, Moore SA, Parks KA, Heist EK, Singh JP.Friedman DJ, et al. Among authors: heist ek.Am J Cardiol. 2013 Nov 15;112(10):1625-31. doi: 10.1016/j.amjcard.2013.07.018. Epub 2013 Aug 29.Am J Cardiol. 2013.PMID: 23993121