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Markowitz SM, Stein KM, Lerman BB.Markowitz SM, et al. Among authors: lerman bb.Circulation. 1996 Dec 1;94(11):2856-64. doi: 10.1161/01.cir.94.11.2856.Circulation. 1996.PMID: 8941113
Lee KW, Okin PM, Kligfield P, Stein KM, Lerman BB.Lee KW, et al. Among authors: lerman bb.Am Heart J. 1997 Dec;134(6):1005-13. doi: 10.1016/s0002-8703(97)70019-x.Am Heart J. 1997.PMID: 9424059