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Dan D, Hoag JB, Ellenbogen KA, Wood MA, Eckberg DL, Gilligan DM.Dan D, et al. Among authors: gilligan dm.J Am Coll Cardiol. 2002 Mar 20;39(6):1039-45. doi: 10.1016/s0735-1097(02)01719-9.J Am Coll Cardiol. 2002.PMID: 11897448Free article.