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Hildick-Smith DJ, Shapiro LM.Hildick-Smith DJ, et al. Among authors: shapiro lm.J Am Coll Cardiol. 2000 Nov 15;36(6):1889-96. doi: 10.1016/s0735-1097(00)00947-5.J Am Coll Cardiol. 2000.PMID: 11092661Free article.