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Dabrowska-Kugacka A, Claeys MJ, Rademakers FE.Dabrowska-Kugacka A, et al. Among authors: claeys mj.J Am Soc Echocardiogr. 1998 Jan;11(1):26-35. doi: 10.1016/s0894-7317(98)70117-8.J Am Soc Echocardiogr. 1998.PMID: 9487467