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Elefteriades JA, Tolis G Jr, Levi E, Mills LK, Zaret BL.Elefteriades JA, et al.J Am Coll Cardiol. 1993 Nov 1;22(5):1411-7. doi: 10.1016/0735-1097(93)90551-b.J Am Coll Cardiol. 1993.PMID: 8227799Free article.