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Wienecke M, Fyfe DA, Kline CH, Greene CA, Crawford FA, Sade RM, Gillette PC.Wienecke M, et al. Among authors: gillette pc.J Am Soc Echocardiogr. 1991 Nov-Dec;4(6):607-14. doi: 10.1016/s0894-7317(14)80220-4.J Am Soc Echocardiogr. 1991.PMID: 1760182