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Zipprich DA, Owen CH, Lewis CW, Gall SA Jr, Davis JW, Kisslo JA, Glower DD.Zipprich DA, et al. Among authors: glower dd.J Am Soc Echocardiogr. 1996 May-Jun;9(3):231-40. doi: 10.1016/s0894-7317(96)90135-2.J Am Soc Echocardiogr. 1996.PMID: 8736005